D.
1. the unions were threatening to take industrial action.
2. they offered to raise my salary by two per cent.
3. i've told my line manager i expect to be promoted next year.
4. i thought the interviewer tended to favour younger candidates.
5. i'm worried that my company intends to relocate.
6. the union claims to represent over sixty per cent of our workface.
E.
1. to
2. before
3. of
4. to
5. of