Rewrite sentences in the passive with full verb forms. Pay attention to the use of modal verbs in passive structures. (Перепиши предложения в пассивном залоге. Обрати внимание на употребление модальных глаголов в пассивных конструкциях.) Образец:
Children may take their toys to the class.
Children’s toys
to the class.

1. You cannot study a foreign language in a couple of months.
A foreign language
in a couple of months.

2. Parents must keep medicine in a safe place.
Medicine
by parents in a safe place.

3. George’s neighbours might have been scratched his car last night.
George’s car
by his neighbours last night.

4. We have to fix the roof as soon as possible.
The roof

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Объяснение:

I present to you the most interesting facts about the city of Great Britain London.The exact age of London is unknown, but judging by the found chronicles, it is about two thousand years old.

In London's Taura, a special caretaker watches the crows that live there. There is a legend that Great Britain will fall when these birds leave the Tower (see interesting facts about birds).

There are two types of taxis in London - regular and traditional London cabs. To get a cab driver license, you need to pass the most difficult exam for knowing absolutely all of London's streets, because traditionally cab drivers do not use maps or navigators.

London is the largest city in the European Union, and concurrently the second largest in Europe as a whole.

Founded by the Romans, London was originally called in the Roman manner - Londinium.

For a hundred years, from 1985 to 1925, London was the largest city in the world.

1) 1. She has been learning English for six years already.

2. I have been working on this project for two weeks already and Ihaven't finished it yet.

3. Have you been at the Black Sea?- Yes, I was there last summer.

4. - I’m so hungry, I haven't had lunch yet.

- Oh, it’s a pity you didn't come with us when we met with Nick.

5. - My brother has returned from the Far East.

- How long did he stay there? – For two months.

6. - Has anyone seen my box of cookies? I put them on the coffee table yesterday.

- Oh, sorry! My friends came over last night and we ate them.

7. When did you download this computer game?

2) 1. Jack seems to be waiting for someone. He looks very nervous.

2. Tom appears to have difficulty walking. – Yes, he hurt his leg yesterday.

3. My Mom suggested going to the beach after breakfast.

4. Mike offered me to bring the heavy bags from the car.

5. He denied telling a lie to his brother.

6. I can’t stand doing the dishes.

7. My friend refused to tell them my secret.