Class regulations require _____ is the last to leave the classroom _____ off all the lights.
#90190
A
who; should turn
B
whom; shall turn
C
whomever; turns
D
whoever; turn
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(2013·吉林长春三校高三调研)Days later, I tried to get my sister to tell me what was going on, but she ________ say anything.
#86573
A
mustn't
B
shouldn't
C
wouldn't
D
mightn't
—Did you visit the museum today?—No. We _____ it, but we spent too much time shopping.
#87259
A
could have visited
B
must have visited
C
could visit
D
must visit
They urged that the library ______ open during the vacation.
#86800
A
must be kept
B
is kept
C
would be kept
D
be kept
— What's the matter with the man hanging his head there?— Well, if you _____ know, he was caught stealing my bike.
#89271
A
must
B
may
C
can
D
shall