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1 Choose the correct variant.

1) You____________(must / can) drive carefully near the crossing.

2) The water____________(was able to / couldn’t) be cold. It has been very hot

these days.

3) The elephants______________(mustn’t / are not able to) stand the mice.

4) My Granny____________(could / mustn’t) speak several languages.

5) People____________(mustn’t / are not able to) litter in the city.

6) He was weak and everybody____________(had to / was able to) beat him.

7) (Can / Could)___________you hear a strange noise out there?

8) We_____________(could / had to) smell something burning.

9) The children____________(are able to / mustn’t) talk with their mouthful.

10) She is a perfect psychologist. She____________(was able to / had to) persuade

me to come.



2 Complete the sentences using can or be able to. Use the proper tense forms.

1) Harry has travelled a lot and he________speak three languages.

2) I haven’t__________sleep well this night.

3) Sam________drive but he hasn’t got a car.

4) She used________do karate.

5) He________drive slowly if he wants.

6) I can’t understand George. I________never understand him.

7) Be careful with the reptile. It________be poisonous

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