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
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________ your letter, I would have started off two days ago.
#87250
A
If I received
B
Should I receive
C
If I could have received
D
Had I received
How he _______ get out of the prison ______ a mystery.
#87966
A
could; is
B
can; is
C
was able to; remains
D
able to; remain
(大连市高三双基测试卷) If it were not for literature, the well-known writer J.K. Rowling _______ nowhere in life.
#90261
A
could go
B
must go
C
would have gone
D
should have gone
— We expected you yesterday.— I’m sorry, I you to say that I couldn’t be here until today.
#87786
A
must have called
B
would be calling
C
could have been calling
D
should have called
(2009·江苏高考)He did not regret saying what he did but felt that he________it differently.
#86527
A
could express
B
would express
C
could have expressed
D
must have expressed