II

1, These exercises are too difficult for students to do without making mistakes.

2, The more clearly the teacher explains the lessons, the faster we understand them.

3, He can’t go to work by bicycle because he lives far from the office.

4, After Peter had finished his homework, he turned off the light and went to bed.

5, If Bob had a lot of money, he could buy a car and traveled around the world.

6, I haven’t seen Mai since we left school.

7, Last summer, holidays were the time when we had a lot of fun.

8, Mr. Green didn’t use to take his children to the circus when he lived in the city.

9, Although Uncle Tom has looked everywhere, his glasses have not been found yet.

10, It was such a cold day when we decided not to go out.

III

1, C – well-known

2, A – because

3, C- also

4, B – without

5, A – be

6, A – achievements

7, B – when

8, D – it

9, A – at

10, C- own

WRITING

I

1, If only I had a sister.

2, America was thought to be found by Columbus before others.

3, One of the boys asked us if they would go to the theatre that night.

4, If I had caught the bus, I wouldn’t have been late for the meeting.

5, She asked, “How much does the Colombian coffee cost?” 

6, It is often less easy to cure a disease than to prevent it.

7, Fierce as it looks, the dog has never bitten anyone.

8, The job is impossible to be finished today.

9, The team leader criticized John for not having waited for them.