If I ………..a camera, I would have taken some pictures.
A. have
B. had
C. would have
D. had had.
Chọn đáp án D
If Peter ………., Sarah will be sad because she wants to meet him very much
If his teeth still …….., he will have to go to the dentist’s again.
If you ………. to my advice in the first place, you wouldn’t have been in trouble.