—Why didn’t Susan come to school? —I don’t know. She____ ill.
#87988
A
could be
B
may have been
C
might
D
must have been
推荐题目
—— _______ the computer be repaired by him?—— No, I’d rather he _______ it repaired.
#87065
A
Will; has
B
should; have
C
shall; had
D
Can; has
Malaysia Airlines Flight 370 ___________ course and turned back toward Kuala Lumpur -- but there were no indications from the pilot that he was doing so.
#86442
A
must have changed
B
could have changed
C
might have changed
D
should have changed.
One of the requirements for a fire is that the material ____ to its burning temperature.
#89339
A
is heated
B
be heated
C
would be heated
D
do heat
Don't you think it a pity that John ______ have behaved roughly toward us?
#86652
A
should
B
would
C
could
D
might
Tom , you_______ leave all your clothes on the floor like this !
#90440
A
wouldn’t
B
mustn’t
C
needn’t
D
may not