Ответ:

Revision :

1st.

2-isn't it.

3-haven't you.

4-am i.

5-am not i?

6-don't you.

7-wob't you.

8-didn't you.

9-doesn't it.

10-isn't it.

11-does he.

12-hasn't it.

2nd.

2-c.

3-e.

4-b.

5-h.

6-d.

3rd.

2-Did he dust the furniture yesterday?

3-For how long have they had a summer cottage?

4-How often do you do the laundry?

5-Can he walk the dog in the afternoon?

6-When did your father build a tree house?

7-Where are they going for their holidays?

"Nothing will happen without hard work!"