问题

Had I known about this computer program, a huge amount of time and energy .
A:would have been saved
B:had been saved
C:will be saved
D:was saved
B:had been saved
C:will be saved
D:was saved
正确答案是:
同类题型
Helen, the more careful you are during the exam, the fewer _______ you’ll make.
The fact has worried us more and more students have got near-sighted.
Since you like the fur coat so much, why not buy it?—Well, I can’t afford coat.
, your application for a loan has ________—Thank goodness! I badly need it now
Will Helen come to my party tonight?— I am not sure. She _______ go to the cinema with her father.