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
We ________ jump to conclusions before we have all the facts.
#86585
A
couldn't
B
mightn't
C
shouldn't
D
mustn't
If he had spent more time practicing speaking English before, he _____ able to speak it much better now.
#86864
A
will be
B
would be
C
has been
D
would have been
Bob's doctor suggests _____ for a few days .
#86898
A
that he is resting
B
that he has to rest
C
him to rest
D
that he rest
—I can’t find my purse anywhere.—You __ have lost it while shopping.
#90477
A
may
B
can
C
should
D
would
This cake is very sweet．You __________ a lot of sugar in it．
#87614
A
should put
B
could have put
C
might put
D
must have put