Had I known about this computer program, a huge amount of time and energy________.
#87046
A
would have been saved  
B
had been saved
C
will be saved
D
was saved
推荐题目
 ——Yesterday, I didn’t see Ben at the party.   —— You _____ him. We just came back from Beijing this morning. 
#87561
A
mustn’t have seen
B
needn’t have seen
C
couldn’t see
D
can’t have seen
But for these interruptions, the meeting       half an hour ago.
#86724
A
was finished
B
would have finished
C
had finished
D
would finish
Our English teacher suggested we ________ English as much as possible in class.
#87550
A
must speak
B
may speak
C
spoke
D
should speak