---Whose is the pencil box?---It _____ be Tom’s. Look at his name on the cover!
#76628
A
can
B
may
C
must
D
need
推荐题目
You ________ touch the chemical, or you ________ get burnt.
#63118
A
can’t; will
B
mustn’t; will
C
may not; would
D
shouldn’t; should
 Something ______ wrong with the car, and it ______ not start.
#63438
A
being, could
B
going, should
C
was, might
D
went, would