UNIT-22

Ex9
2. she has her house cleaned by the maids.
3. She has her car washed by the chauffeur.
4. She has her shopping delivered by the supermarket.
5. She has her letters typed by the secretary.
6. She has her meals cooked by the chef.
Ex11
1. Sue had her living room painted.
2. Bob will have a photo of his taken.
3. Marcy must have her eyes tested.
4. Helen is having her car service at the moment.
5. Tom must have his jeans shortened.
6. Fiona has had her flat decorated.
Ex12
We have our taps repaired by a plumber.
My mum cleans the house.
He have the walls painted by a decorator.
We have the grass cut by a gardener.
My dad washes the car.
My mum waters the plants
We have the dog examined by a vet.

UNIT-21

Ex 14
1. Boring
2. Amused
3. Terrifying
4. Excited
5. Amazed
6. Thrilling
7. Interesting
8. Embarrassed
Ex15
Specific preference: a, b
General preference: c,d
Ex 16
1. Listen, go
2. To watch, visit
3. To play, play
4. Write ,learn
5. To read, read
6. Travelling, travelling
Ex 17
a. Positive agreement
b. Negative agreement
2 so did I.
3 so am I.
4 neither will I.
5 so do I.

UNIT-20

Ex 10
1c 2e 3d 4b 5a
Ex11
1. Must
2. May/might/could
3. Can’t
4. May/might/could
5. Must
Ex 12
1d 2f 3e 4g 5a 6b 7c
Ex 13
1. Burglars must have tied him up.
He must be feeling uncomfortable.
He might have been robbed
He could have been calling for help.
The woman must have felt surprised.
B. He must have stolen some money.
They may/might/could put him in prison.
He must be unemployed.
The shopkeeper must have called the police.
He must be frightened.
Ex 14
1. ….must be coming…
2. …must have lost….
3. ….can’t fail….
4. ….could have forgotten the…
5. ….can’t have committed…
6. ….must have stolen….
7. ,…..might have lied….
8. ….must be (still ) working…
9. ….may/might/could have been sleeping…
10. …can’t have paid….

UNIT-19

Ex11
1. Spicy-spicier-the spiciest
2. Strong-stronger-the strongest
3. Fattening-more fattening-the most fattening
4. Nutritious-more Nutritious-the most Nutritious
5. Delicious-more Delicious-the most Delicious
6. Rich-richer-the richest
7. Juicy-juicier-the juiciest
8. Disgusting-more disgusting-the most disgusting
9. Tasty-tastier-the tastiest
10. Hot-hotter-the hottest
11. Good-better-the best
12. Bad-worse-the worst
13. Little-less-the least
Ex12
The food is as tasty at Paul’s restaurant as it is at Ed’s restaurant.
The food is more expensive at Paul’s restaurant that at Ed’s restaurant.
The food is not as expensive at Ed’s restaurant as at Paul’s restaurant.
The atmosphere is friendlier at Ed’s restaurant than at Paul’s restaurant.
The atmosphere at Paul’s restaurant is not as friendly as at Ed’s.
The décor is more luxurious at Paul’s restaurants than at Ed’s restaurant.
The décor at Ed’s restaurant is less luxurious than at Paul’s restautant.

UNIT-18

Ex 10
1. Trees are being cut down. Consequently, many species will become extinct.
2. People in cities breathe exhaust fumes every day. As a consequence, many of the develop breathing problems.
3. Industrial waste is dumped into the sea. As a result, fish die.
4. People drop litter in the streets. Therefore, people get diseases.
5. Most factories do not use filters. As a result the air gets dirty.
Ex 12
1. We should stop cutting down trees so that animals won’t lose their natural habitats.
2. We should make wildlife parks to protect animals from extinction.
3. We should plant more trees so that we will have more oxygen.
4. We should clean up the litter in cities so that we won’t catch diseases from it.
5. We should find clean forms of energy to save the planet.
Ex 13
1d 2 a 3c 4e 5d
1. Governments should improve public transport so that people won’t have to use cars to get around.
2. People should get involved in recycling schemes so that there will be less rubbish to pollute the environment.
3. We should ban cars from city centres to make the streets cleaner, safer and quieter.
4. Governments should force factories to put filters on chimneys so that the harmful gases won’t be able to pollute the atmosphere.
5. We should stop using the products of companies whose factories cause pollution to force them to use environmentally friendly production methods.

UNIT-17

Ex14
The sea turtle is in danger of extinction because people are hunting it for food and are destroying its habitat.
The emperor penguins is in danger of extinction because of sea pollution and increased fishing.
Ex 16
1 Such 2 So 3 so 4 such a
Ex19
1. Enough
2. Enough
3. Too
4. Too
5. Too
6. Enough
7. Too
Ex 20
1 The bridge was so low that the lorry couldn’t pass under it.
It was such a low bridge that the lorry couldn’t pass under it.
The bridge wasn’t high enough for the lorry couldn’t pass under .
2. This ocean is cold for tropical fish to survive.
This ocean is so cold that tropical fish can’t survive in it.
This is such a cold ocean that tropical fish can’t survive in it.
3 It was such fast rabbit that the enough couldn’t catch it.
The rabbit wasn’t slow enough for the dog to catch.
The rabbit was too fast for the dog to catch.
4 The sign was too small for Mary to see.
The sign was so small that Mary couldn’t see it.
The sign wasn’t big enough for Mary to see.

UNIT-16

Ex10
1 does it? 5 will you?
2 wasn’t it? 6 shall we?
3 didn’t they? 7 hasn’t he?
4 isn’t it? 8 do you?
Ex11
1. Will you?
2. Have you?
3. Shall we?
4. Aren’t you?
5. Does she?