Вставьте в предложения пропущенные слова, используя данный ниже список. Chief, building, means, civilization, barriers, bracket, were embedded, cantilever, supports, extending, side, suspended, beam, suspension, woven mats, by means of, bank, handrails, crossing.

1. The story of bridge-___ is the story of ___.

2. Great rivers are important ___ of communication, for in many parts of the world they have been, and still are, the ___ roads.

3. But they are also ___ to communication.

4. From this, at a later stage, a bridge on a very simple ___ or ___ principle was evolved.

5. Timber beams ___ ___ into the banks on each ___ of the river with their ends ___ over the water.

6. These made simple ___ for a central ___ reaching across from one bracket to the other.

7. A simple bridge on the ___ principle was made by early man ___ ___ ___ ropes.

8. Two parallel ropes ___ from rocks or trees on each ___ of the river, with a platform of ___ ___ laid across them, made a secure ___.

9. Further ropes as ___ were added.

1. How many years have you been studying English? - I have been studying it for 7 years.

2. They know him (already) from childhood.

3. He (translator) has been translating this book for a year now.

4. We are very tired. We have been repeating the words of all seven lessons for an hour.

5. I have been here since the morning.

6. She's been sitting here for hours. In the morning he sits on a bench and waits for someone.

7. She has been waiting for this letter for a month.

8. By July 1st, they will have been living here for 10 years.

9. They will be traveling for a year by March and do not want to return.

10. Kate got into the car and drove home. All the way she thought about the letter she had received the day before.

Объяснение:

Упражнение 1. Вставьте глагол “to be” в правильной форме Past Simple.

1. He _was__ your friend many years ago.

2. It _was__ my car last week.

3. They _were_ taxi drivers two years ago.

4. I _was__ a student many years ago.

Упражнение 2. Раскройте скобки, употребляя правильные глаголы в Past simple

1. I worked in a bank many years ago.

2. He lived in Moscow five years ago.

3. I  liked flowers before it happened.

4. Tom  played the piano yesterday evening.

Упражнение 3. Раскройте скобки, употребляя неправильные глаголы в Past Simple

1. Anna  had a shower this morning.

2. They went at work by bus last morning.

3. Cats drank milk yesterday.

4. She got up early this morning.

Упражнение 4. Вставьте did или didn’t

1. _Did__ he work in a shop?

2. I _didn't___ lie.

3. She _didn't__ watch TV.

4. _Did__ you like bananas?

Объяснение: