—Hi，Joan.Any idea where Tom is?—He ________ on the playground.I saw him there playing football just now.
#62487
A
shall be
B
should have been
C
must be
D
might have been
推荐题目
The work is too hard for him. He__________ finish it on time.
#77570
A
can't
B
mustn't
C
shouldn't
D
needn't
The Smiths went to the country for the weekend as they ______ to the office.
#63002
A
needn’t have gone
B
mustn’t go
C
may not go
D
didn’t have to go
It ________ be the postman at the door.It's only six o'clock.( 2011·江西)
#62159
A
mustn't
B
can't
C
won't
D
needn't