2.

1. Has she bought any milk?

Yes,she has.( No,she hasn't).

2.Have they won the championship?

Yes,they have.

3. Has it stopped raining?

No ,it hasn't.

3

1 .Have you seen

2. I haven't looked

3. haven't taken

4. Have you asked

5. has borrowed

6. hasn't been

7. have done

8. have bought

4

1. did they?

2. wasn't it ?

3. are we?

4. have I?

5. aren't they?

6. hadn't you?

7. does he?

8. won't it?