—Oh, there’s someone knocking at the door. —_______ must be that naughty boy.
#40420
A
He
B
This
C
It
D
That
推荐题目
—If you have any trouble, be sure to call me. —_______. 
#39370
A
I am glad to hear that
B
I will. thank you very much.
C
I have no trouble
D
I will think it over
Taking ______ exercise and eating ______ food can make you keep thin.
#43384
A
more; less
B
more; fewer
C
less; more
D
fewer; less