1. Sharon goes to school on foot, 2. Jerry and Peter saw the accident,
3. Sheila prefers tea,
?
4. Manuel wasn't born in the USA,
?
5. You have a serious problem,
6. They will clean the house,
?
7. Martha and Lewis don't like fish,
8. You speak Portuguese,
9. Our sons can't swim,
10. She has got a new car,
11. Your brother is going to the disco tonight,
12. The students haven't got new computers,
?
13. You are my best friend,
14. Mark helped you,
15. They stayed at the hotel,
16. She didn't call Mark,

1 Sharon goes to school on foot,doesn't she?
2 Jerry and Peter saw the accident,didn't they?
3 Sheila prefers tea,doesn't she?
4 Manuel wasn't born in the USA,was he?
5 You have a serious problem,don't you?
6 They will clean the house,won't they?
7 Martha and Lewis don't like fish,do they?
8 You speak Portuguese,don't you?
9 Our sons can't swim,do they?
10 She has got a new car,hasn't she?
11 Your brother is going to the disco tonight,won't he?
12 The students haven't got new computers,did they?
13 You are my best friend,aren't you?
14 Mark helped you,didn't he?