Casa ESL · A1 Beginner · Teacher's Resource
Answer Key Booklet
All 20 units · Steps 1 & 2 · For teacher use only. Do not distribute to students.
Step 1 — Units 1–15
Unit 01
Welcome
Exercise 11. is · 2. am · 3. are · 4. is · 5. are
Exercise 21. What is your name? → My name is Tom. · 2. Where are you from? → I am from France. · 3. What is your nationality? → I am Canadian. · 4. How are you? → I am fine, thank you. · 5. Nice to meet you! → Nice to meet you too!
Reading1. Maria is from Italy. · 2. Paulo is a manager.
Unit 02
At the Airport
Exercise 11. There is · 2. There are · 3. There is · 4. There are · 5. There is
Exercise 21. passport → official travel document · 2. gate → door to board the plane · 3. terminal → airport building · 4. departure → time of leaving · 5. boarding → getting on the plane
Reading1. Anna is going to London. · 2. The gate number is 7.
Unit 03
Around Town
Exercise 11. near · 2. opposite · 3. between · 4. next to · 5. near
Exercise 21. bank → save and take out money · 2. restaurant → eat a meal · 3. hotel → sleep when travelling · 4. supermarket → buy food and drinks · 5. pharmacy → buy medicine
Reading1. The hotel is opposite the park, next to a restaurant. · 2. Tom uses a map.
Unit 04
Work & Jobs
Exercise 11. works · 2. teach · 3. manages · 4. work · 5. helps
Exercise 21. doctor → hospital · 2. teacher → school · 3. manager → office · 4. chef → restaurant · 5. pilot → airport
Reading1. James is a teacher. · 2. James starts work at eight o'clock.
Unit 05
Shopping
Exercise 11. is · 2. are · 3. is · 4. are · 5. is
Exercise 21. expensive · 2. change · 3. receipt · 4. buy
Reading1. The oranges are two euros a kilo. · 2. Sara gets three euros change.
Unit 06
Food & Drink
Exercise 11. would · 2. Would · 3. order · 4. delicious · 5. menu
Exercise 21. breakfast → 7:00 in the morning · 2. lunch → 1:00 in the afternoon · 3. dinner → 7:00 in the evening · 4. snack → 3:00 in the afternoon · 5. supper → late in the evening
Reading1. Mark orders a steak and chips. · 2. Mark orders chocolate cake.
Unit 07
Family
Exercise 11. Her · 2. His · 3. Their · 4. your · 5. our
Exercise 21. grandmother → your father's or mother's mother · 2. nephew → your brother's or sister's son · 3. cousin → your aunt's or uncle's child · 4. husband → the man you are married to · 5. children → your sons and daughters
Reading1. Sofia's father is a mechanic. · 2. Sofia's sister lives in London.
Unit 08
Home & Living
Exercise 11. There is a · 2. There is an · 3. There are some · 4. There is a · 5. There are some
Exercise 21. kitchen → oven and fridge · 2. bedroom → bed and wardrobe · 3. bathroom → bath and shower · 4. living room → sofa and television · 5. dining room → table and chairs
Reading1. There are three rooms (plus a living room). · 2. There is a sofa and a television in the living room.
Unit 09
Time & Dates
Exercise 11. eight · 2. three · 3. to · 4. o'clock · 5. past
Exercise 21. 9:00 → nine o'clock · 2. 2:30 → half past two · 3. 7:15 → quarter past seven · 4. 4:45 → quarter to five · 5. 12:00 → midday
Reading1. Emma goes to work at eight o'clock. · 2. Emma's meeting is at half past two.
Unit 10
Weather & Seasons
Exercise 11. sunny · 2. rainy · 3. cold · 4. cloudy · 5. windy
Exercise 21. summer → go to the beach · 2. winter → wear a coat and scarf · 3. spring → see new flowers and leaves · 4. autumn → see orange and red leaves · 5. rainy season → carry an umbrella every day
Reading1. In summer it is very hot and sunny. · 2. In autumn it is cloudy and windy, and the leaves fall from the trees.
Unit 11
Free Time
Exercise 11. swimming · 2. reading · 3. playing · 4. cooking · 5. travelling
Exercise 21. swimming → swimming pool · 2. watching a film → cinema · 3. walking → park · 4. reading → library or at home · 5. playing football → sports stadium
Reading1. Ben likes running and listening to music in the park. · 2. Ben likes reading about travel.
Unit 12
Health & Body
Exercise 11. leg · 2. cold · 3. fever · 4. stom · 5. medicine
Exercise 21. runny nose and sneezing → a cold · 2. high temperature → a fever · 3. pain when eating → a stomachache · 4. pain above your eyes → a headache · 5. difficulty walking → a leg injury
Reading1. Paul has a headache and a fever. · 2. The doctor tells Paul to rest at home and drink a lot of water.
Unit 13
Clothes & Appearance
Exercise 11. is wearing · 2. are wearing · 3. is wearing · 4. am wearing · 5. are wearing
Exercise 21. red → fire engine · 2. green → grass and trees · 3. white → snow · 4. black → night sky · 5. yellow → the sun
Reading1. Lisa is wearing a black dress. · 2. Lisa is wearing a jacket because the office is cold.
Unit 14
Numbers & Quantities
Exercise 11. How many · 2. How much · 3. How many · 4. How much · 5. How many
Exercise 21. a lot of · 2. a few · 3. enough · 4. many
Reading1. About nine million people live in London. · 2. Yes, some attractions are free.
Unit 15
Review
Exercise 11. am · 2. works · 3. is · 4. like · 5. are
Exercise 21. name · 2. many · 3. rainy · 4. wearing
Reading1. Ahmed is from Egypt. · 2. Ahmed likes going to the park.
Step 2 — Units 16–20
Unit 16
Small Talk
Exercise 11. What · 2. Where · 3. When · 4. Who · 5. How
Exercise 21. How are you? → Fine, thank you. And you? · 2. Did you have a good weekend? → Yes, it was really nice, thanks. · 3. What do you do? → I am a teacher. · 4. How do you get to work? → I usually take the bus. · 5. What is the weather like? → It is a bit cloudy today.
Reading1. Sara went to the beach. · 2. The weather was sunny and lovely.
Unit 17
The Past
Exercise 11. watched · 2. cooked · 3. visited · 4. finished · 5. travelled
Exercise 21. work → worked · 2. visit → visited · 3. cook → cooked · 4. watch → watched · 5. travel → travelled
Reading1. They travelled by train. · 2. Rosa bought fresh fruit and a beautiful scarf.
Unit 18
Technology & Gadgets
Exercise 11. can't · 2. can · 3. can't · 4. Can · 5. can
Exercise 21. phone → make calls and send messages · 2. laptop → write documents and work anywhere · 3. app → do a specific task on your device · 4. internet → connect to information worldwide · 5. charger → fill your battery with electricity
Reading1. Check email, send messages, read news, and use apps. · 2. They can't do anything — the phone stops working.
Unit 19
Making Comparisons
Exercise 11. faster · 2. better · 3. bigger · 4. quieter · 5. more expensive
Exercise 21. hotter than · 2. more interesting than · 3. worse than · 4. cheaper than
Reading1. The city is bigger and more exciting, with more shops and activities. · 2. The countryside is quieter, cheaper, and more relaxing.
Unit 20
Future Plans
Exercise 11. am going to · 2. is going to · 3. are going to · 4. are going to · 5. is going to
Exercise 21. Would you like to come to my party? → Yes, that sounds great! Thank you. · 2. Are you free for dinner on Friday? → I am sorry, I can't. I have other plans. · 3. What are your plans for the weekend? → I am going to visit my parents. · 4. Would you like to join us for lunch? → I would love to, thank you! · 5. Are you going to the meeting tomorrow? → Yes, I am going to be there at 10.
Reading1. Emma is going to travel to Portugal. · 2. Emma is going to take a Portuguese language class.