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
--- How did you like the concert last night? --- I enjoyed it very much, but the dancers ______ a better job.
#87729
A
could have done
B
couldn’t have done
C
could do
D
had done
----My e-dictionary is nowhere to be found. Who ______ have taken it? -----Keep looking and you will find it. ________ you have good luck!
#87181
A
should; Need
B
should; May
C
could; May
D
could; Need
(2013·山西高三诊断)Honey, you ________ alcohol for they have stopped drinking.
#86569
A
may not have bought
B
mustn't have bought
C
can't have bought
D
needn't have bought
You did not let me drive. If we ____in turn, you wouldn’t be so tired now.
#86722
A
drive
B
drove
C
were driving
D
had driven
Without your help, I ＿＿＿＿the exam last term.
#89943
A
failed in
B
would have failed
C
wouldn’t pass
D
would fail