—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
---What are you ______?   ---I can’t find my dictionary.
#59635
A
looking at
B
looking down
C
looking for
D
looking like
It ________ the friendliest service.  
#61887
A
is
B
wants
C
has
D
was
__________the doctors in their hospital is about one thousand, and sixty percent of them___________ women. 
#55025
A
A number of; is
B
The number of; are
C
The number of; is
D
A number of; are
Let’s ____ dinner together.
#59734
A
to have
B
have
C
has
D
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