—Someone is knocking at the door. Who ______ it be? —It ______ be Tom. He is still in the school.
#52340
A
may; can’t
B
can; mustn’t
C
might; couldn’t
D
could; may not
推荐题目
My sister _____a dictionary ,and I _______a dictionary ,too .
#59349
A
has:has
B
have; has
C
has ;have
D
have ;have
---Who _______ the book _______? --- It was written by Lu Xun.
#53239
A
is …written by
B
did ,write
C
was, written
D
was, written by
---What a mess(杂乱)! Tony, you should ___________ your things to keep the room clean.---OK, Mum! I’ll do it at once.
#59306
A
put up
B
put on
C
put away
D
put out
Stop ______ about the traffic. Just think about what we can do to improve it.
#60333
A
complain
B
to complain
C
complaining
D
complained
No free plastic bag in the supermarket helps to _____ white pollution.
#60155
A
reduce
B
recycle
C
provide
D
Produce