Відповідь:

a)

A young man is sitting ....

He is waiting ....

He is writting an SMS.

They are having coffee...

Three tourist are talking ...

An old man is reading ...

It is raining ....

b)

1. No, he isn't

2. No, he isn't

3. Yes, they are

4. No, they aren't

5. No, he isn't

6. Yes, it is

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