Ответ:

178

1. You must feel relaxed after your holiday.

2.  They must be tired. They’ve been travelling all night.

3.  She must be Irish with a surname like O'Neil.

4.  A driver doesn't have to take the test in English.

5.  Jane has several books about plants. She must be a serious botanist.

6.  If I don’t study for the next test, I might fail it.

7.  It can't be Peter. He drives a Mercedes and this guy is driving a Jaguar.

8.  I think we will have to accept the notion that we need have total freedom in everything.

9.  He ought to go to the dentist because he has a terrible toothache.

10.  When I was at school we had to write long exercises and learn a lot of grammar rules by heart.

179

1.  I had to look up a lot of words in the dictionary as it was a very difficult text.

2.  If we didn't have to study, we could go out.

3. May I ride your bicycle, please. Jane?

4. May I use your telephone, please, Mr. Taylor?

5. You needn't come if you don’t want to.

6. If we go to town, I'll be able to do some shopping.

Объяснение:

В п.8 в таске 178 я бы написал needn't, но в ответах возле needn't стоит to, это уже не модальный глагол, если я не ошибаюсь. Поэтому выбрал need