Simon is very regretful. If he had been more careful, he _____ such a big mistake.
#87008
A
hasn’t made
B
hadn’t made
C
won’t have made
D
wouldn’t have made
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The scientists recommend that studies ________ to find out what side effects the medicine might cause.
#86353
A
be done
B
should do
C
will be done
D
are done
——Yesterday, I didn’t see Ben at the party. —— You _____ him. We just came back from Beijing this morning.
#87561
A
mustn’t have seen
B
needn’t have seen
C
couldn’t see
D
can’t have seen
—Shall we go skating or stay at home?—Which do yourself?
#89658
A
do you rather
B
would you rather
C
will you rather
D
should you rather
Xie Lei, a student studying abroad, highly recommends that you a substitute family to be with.
#86917
A
had
B
have
C
has
D
should to have