问题

Had I known about this computer program, a huge amount of time and energyA.

A:would have been saved
B:had been saved
C:will be saved
D:was saved

正确答案是：

同类题型

When you begin a sentence with “don’t tell anyone but …” there’s a 90% chance that the person ______ someone

He has a lot of things to do and has no time to______.

What kind of car do you want to have Alarge 0ne—Well，it_______ be large——that’S not important

They your diamond,but I didn’t think they found it. [ ]

How many computers arethere in the room—__________. Some workersmoved them to another place just now.