—The box is too heavy to carry. What's in it? —Oh, it is ________ books.
#52300
A
filled with
B
covered with
C
used for
D
asked for D
推荐题目
I think you should not buy clothes___________ animals fur.
#59977
A
made of
B
be made of
C
making of
D
is made of
–Would you mind _________ your voice down? We are doing our homework.–Sorry for that.
#58683
A
keep
B
keeping
C
to keep
D
kept
