— Did you visit the museum today? — No. We ______ it, but we spent too much time shopping.     
#63436
A
could have visited
B
must have visited
C
may have visited
D
couldn’t have visited
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(2013·高考辽宁卷)Harry is feeling uncomfortable.He ________too much at the party last night.
#62469
A
could drink
B
should drink
C
would have drunk
D
must have drunk
—Show me your permit, please.—Oh, it's not in my pocket. It ________.
#62323
A
must have fallen out
B
might fall out
C
could fall out
D
should have fallen out
 Few weight-loss pills can help to keep people slim, _______?
#74637
A
do they
B
dodt they
C
can't they
D
can they