1)had
2)was shopping/ lost/does not know
3.have announced/have/is missing
4is speaking/do not know
5does not smoke/is not smoking/was/was not smoking/was working
6was washing/she found
7.When did you learn
8are going
9.Who are you waiting
10. broke/ was driving.
11.When and where did it happen
12. wears/is wearing
13/ iswatching
14.saw/was running/did not have)
15. do/studies