1. qualification
2. civil engineer
3. flight attendant
4. retirement
5. staff
6
1. ..., wasn't it?
2. ..., did you?
3. ..., haven't they?
4. ..., won't he?
5. ..., are they?
7
1. c
2. b
3. c
4. a
5. a
6. b
7. c
8. a
9. c
10. a
