It is strongly recommended that the machine_____________ every year.
#86995
A
are checked
B
should check
C
checked
D
be checked
推荐题目
The workers in the factory demanded that their pay by 20 percent.
#87643
A
be raised
B
would be raised
C
should arise
D
should be risen
He _______ Shanghai, for I saw him talking with the headmaster a moment ago.
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A
must have gone to
B
can’t have gone to
C
mustn’t have been to
D
can’t have been to
Some young people these days just ______ go out of their homes to contact the real world．
#87839
A
mustn’t
B
won’t
C
mightn’t
D
shouldn’t
. --- Did you often e-mail your family during the first year at university? --- No. I was so busy meeting new people that I didn’t write to my family as I _____.
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A
ought to
B
should do
C
should have written
D
should have