Ex 1:
1D
2B
3C
4B
5D
6A
7B
8A
9B
10B
11C
12A
13D
14A
15B
16C
17A
18D
19A
21A
Ex 2:
1. We brush our teeth.
2. We do not go sightseeing.
3. He does not live on HHT street.
4. You are doctors.
5. There is some meat in the kitchen.
6. Do they do their homework?
7. Mai washes the dishes.
8. Does your friend live at 30 THD street?
9. How much beef do you want?
10. Are there any oranges on the table?
11. Is not there any bread?
12. Mai and Hoa go shopping.
13. What time does your father get up?
14. Who are these?
Ex 3:
1. I don't get up at six o'clock.
What time do you get up?
2. We don't have dinner.
What do you have?
3. She doesn't go swimming.
Where does she go?
4. You don't live at 20 TRAN HUNG DAO street.
Where do you live?
5. Tom doesn't do his homework.
What does Tom do?
6. He doesn't brush his teeth.
What does he do?
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