几道英语时态题,4.clint woke up in the middle of last night .he was

几道英语时态题,
4.clint woke up in the middle of last night .he was frightened and didn't know where he was.he(had been dreaming)
7.we were good friends.we (had knowed) each other for a long time.
9.yesterday i saw leon sitting on the ground.he was out of breath.he (had been running)
为什么要用这些时态啊
22.he ( ) several novels since 1985.most of them ( ) quite successful,but the last one ( )very good reviews.
A has written/were/hasn't got
B wrote/have been/didn't get
C has written/have been/didn't get
D wrote/were/didn't get
选A行不
34.many years ago,he ( )in paris with his uncle for a long period of time.
A had been living
B had lived
C lived
D has been living
A和D不行?
35.how long ( )here?i ( )you come in.
A do you sit/haven't seen
B did you sit/did not see
C have you sat/have not seen
D have you been sitting/did not see
B为什么不对
37.i ( )there five minutes when all the lights ( )out.
A was/went
B had been/went
C have been/go
D have been/went
D行不?
42.she will come to call on the moment she ( )her work.
A has finished
B had finished
C finishes
D will finish
B行不?
47.in two years' time he ( ) his master's degree in chemistry.
A has completed
B will be completing
C will have completed
D will have been completing
D行不?