ex3.
1. Thu's father reads a morning newspaper everyday, doesn't he ?
2. The teacher is going to explain a new grammar lesson , isn't she/he ?
3 .Their classmats were so excited about the games yesterday, weren't they ?
4. Lan enjoys sewing clothes for her doll , doesn't she ?
5. Hoa did a lot of homework last night , didn't she ?
6. School may be clothed if it snows heavlly , mayn't it ?
7. I'm making a big mistake , aren't I ?
8. Let's go shopping at saigon coop mart , shall we ?
9. Children should drink a lot of milk and fruit juice , shouldn't they ?
10 . Bring your camera with you to the party , won't you ?
11. These shoes need to be fixed, needn't they ?
12. You must ask for your parents , permission to join the trip , mustn't you ?
13 . We should follow the traffic rules strictly , shouldn't we ?
14. He seldom visits you , doesn't she ?
15 . You have never have been in Italy , have you ?
16 . No one died in the accident , did they ?
17 Nothing is wrong , is it ?
18 . Nobody called the phone , did they ?