—Whose pencil box is this?—It _____ be Tom’s. It has his name on it.
#52126
A
must
B
may
C
might
D
can’t
推荐题目
 Mike likes to watch the birds _________ in the sky.
#52089
A
flys
B
flying
C
flies
D
fly
 - Have you _______ some new ideas?- Yeah. I'll tell you later.
#52352
A
come about
B
come into
C
come up with
D
come out
--______ to Hong Kong?-- Yes, and I will be back next month.
#53902
A
Have you gone
B
Have you been
C
Are you going
D
Did you go