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
  You didn ’ t let me drive. If we _____ in turn, you ______ so tired.
#89145
A
has left; comes  
B
drove; wouldn’t have got
C
were driving; wouldn’t get
D
had driven; wouldn’t have got
 The doctor recommended that you ________ swim after eating a large meal.
#86547
A
wouldn't
B
couldn't
C
needn't
D
shouldn't
He commanded that the work _______ before 5pm .
#87333
A
was finished
B
should be finished
C
would be finished
D
finished