(2012·全国卷Ⅰ)I ________ use a clock to wake me up because at six o'clock each morning the train comes by my house.
#86531
A
couldn't
B
mustn't
C
shouldn't
D
needn't
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Mary failed the driving test again．If she ________ harder, she ________ the test easily．
#86452
A
practiced; would pass
B
had practiced; would pass
C
had practiced; would have passed
D
should practice; should have passed
— What great trouble I have solving this problem now！ —_____ my advice, you ________less trouble.
#90238
A
If you had taken, would have had
B
If you took, would have
C
If you had taken, would have
D
If you take, will have
He ______ the test again, in which case, his mother will be very disappointed.
#89549
A
might fail
B
must have failed
C
should fail
D
could have failed
She got stuck in a terrible traffic jam on the highway to Shanghai, or she dinner with her family now.
#86682
A
will be having
B
would be having
C
is having
D
was having