Choose the best answer

Giúp em với ạ
----- Nội dung dịch tự động từ ảnh -----
5. We . for going home when it began to rain.
a. are preparing
b. were preparing
c. will be preparing
d. have prepared
6. When I last saw him, he . in London.
a. has lived
b. is living
c. was living
d. has been living
7. Christopher Columbus American. . more than 500 years ago.
a. discovered
b. has discovered
c. had discovered
8. I. . in the room right now.
d. had been discovering
a. am being
b. was being
c. have been being
d. am
9. I . to New York three times this year.
a. have been
b. was
c. were
d. had been
10. The little girl asked what . . t her friend.
a. has happened
b. happened
e. had happened
d. would have been happened