simple past e past perfect
1.They ... (do) nothing before they met me. *
a)hadn't done
c)haven't done
d)have did

2.. I thanked him for what he ... (do). *
a)has done
b)had done
c)had do

3.They ... (clean) the room before I ... (call) them. *
a)had cleaned - call
b)have cleaned - called
c)had cleaned - called

4.He ... (tell) us the story of this life before he died. *
a)had telled
b)had told
c)has told

5.He ... (tell) me her name after she ... (leave). *
a)told - had left
b)tell - had leaved
c)told - has left

6.After the students ... (finish) the test the teacher left the room.

a)had finished
b)have finished
c)had finish

7.We ... (hear) a strange noise yesterday. *
a)have heard
b)heard
chad heard

8.She posted the letter after she ... (write) it. *
a)has written
b)have written
c)had written

9.After they ... (go), I sat down and rested. *
a)went
b)had gone
c)have gone​