III. 1b; 2c; 3d; 4a; 5e
IV.
1. is
2. doesn't have
3. is your mother doing / is cooking
4. won't go / will visit
5. does your sister usually do / watches / is reading
6. will be
7. doesn't have
8. is looking
9. will visit
10. will call
11. speak
12. to play
V.
1. Who does Lan live with ?
2. How far is it from your house to the post office ?
3. Where do the doctors work ?
4. What does his father do ?
6. Where do the doctors work ?
7. Where will he meet you ?
8. When does he often feel nervous ?
10. Where will you go tomorrow evening ?
VI.
1. Trung is a good student in class 7A.
2. He is older than me.
