—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
After I moved to Guangzhou, it took me two months to ______ here.
#59534
A
be used to live
B
use to live
C
used to living
D
get used to living
I think I’m _____ unhealthy.   
#63703
A
kindof
B
alittle
C
kindsof
D
prettyvery.
Students should study hard to make their dreams_____ .     
#53767
A
come out
B
come up
C
come true
D
come on