Нужно решить дз по английскому языку но я не понимаю как его делать (8 класс)

  how long have you been trying to find a job?

for three years. it was really difficult.

how many jobs have you had?  

about thirty, maybe more i have been doing everything.

how long have you been standing here today?  

i have  been waiting since 8: 00 this morning, and i'm freezing.  

1. isn't she

2. aren't they

3. can't they

4. can't he

5. aren't they

6. has she

7. haven't they

8. can they

9. is he

1)  i use to live in the country, but now i don't.

2)  did you used to wear glasses?

3)  they didn't use to do any homework.

4)  he has a motorbike.

5)  we used to play in the park when we were little.

6)  she used to cry a lot when she was a baby.

остальные корректные

1. dr foam asked how old he was.

2. the man replied that he was ninety five.

3. doctor foam asked if he could tell them why he had lived so long.

4. mrs bulmer asked why he had lived so long.

5. the man replied he didn't know.