A. discoveredB. to be discoveredC. discoveringD. having……

单项选择题If he（）my advice, he wouldn't have lost his job.

A. followed
B. should follow
C. had followed
D. would follow

单项选择题I've become good friends with several of the students in my school（）I met in the English speech contest last year.

A. who
B. where
C. when
D. which

单项选择题I was just going to cut my rose bushes，but someone（）it.Was it you

A.has done
B.had done
C.would do
D.will do