If I ______ about this computer program, a hage amount of time and energy would have been saved.
#87162
A
know
B
knew
C
had known
D
have known
推荐题目
----Are you happy that your old friend visited you yesterday? ----I would rather he_______. I was so busy then.
#86862
A
didn’t
B
hadn’t
C
hasn’t
D
haven’t
Without you, I _______ the first prize in the speech contest. Thank you, John.
#86802
A
can’t win
B
won’t win
C
hadn’t won
D
wouldn’t have won
---- __________ you say goodbye so soon? ---- I’m sorry. My mother is expecting me at home.
#87477
A
Must
B
Can
C
Would
D
Might
I’m sorry. __________ for my illness, I would have come to give you a hand.
#86803
A
Were it not
B
If it hasn’t been for
C
Had it not been
D
Shouldn’t it be