He____know the answer, but I’m not sure.
#76371
A
maybe
B
may be
C
may
D
must
推荐题目
-- Can I tell Peter about the news?-- No, I don’t want anyone else to know it. You ________ keep it to yourself.
#78287
A
must
B
need
C
can
D
may
-----Who has made a mess in my room? -----Who else it but your naughty son?
#63521
A
could do
B
could have done
C
did
D
had done
---Who’s the man over there? Is it Mr. Black?--- It _________ be him. He’s much taller.
#74268
A
may not
B
can’t
C
will not
D
mustn’t
A: ________ I go to the airport to see Uncle David off tomorrow morning, mum? B: No, you needn’t. You may join us if you want to.
#74606
A
Must
B
Need
C
Should
D
May
—David，is that man your Chinese teacher?—It___________ be him．He’s having a meeting．
#76087
A
mustn’t
B
can’t
C
needn’t
D
won’t