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 I wrote a letter to John for his help during my high school years，without which I ________  the college entrance exam.
#86497
A
would fail
B
would have failed
C
should fail
D
must have failed
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As Commander-in-Chief of the armed forces,I have commanded that all measures               for our defense.
#89332
A
had been taken
B
be taken
C
would be taken
D
be made
He ______ the key, so we ______ into the office.
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A
hadn’t left; can’t
B
didn’t leave; couldn’t have got
C
hadn’t left; couldn’t get
D
hasn’t left; couldn’t get
I would rather you ____ it.
#87152
A
do
B
did
C
will do
D
would do
You know he is not going to let us leave early if we ___ get the work done.
#90242
A
can't
B
may not
C
shouldn't
D
mustn't
If you were to do it,the result______different.
#87724
A
will be
B
would be
C
should be
D
would have been