问题

If I had worked harder at school, I ___ in a comfortable office now.

A:would have sat
B:had sat
C:would be sitting
D:could sit

正确答案是：

同类题型

He made up his mind to enjoy his guitar and to accumulate as many happy experiences as he could so that when he retired he wound be able to ______his life with satisfaction.

Last week Lily’s father bought her_________MP4 as_________birthdaypresent.

Scientistshave many theories about how the universe ___ into being

The animal of this kind is _______; we’d better ________.

____ I feel pity on them, I can’t really do very much to help them but contribute my pocket money