As the final examination is coming , the students are busy ____ it.
#96371
A
preparing
B
preparing for
C
prepare
D
prepare for
推荐题目
What way can you think of ______ the mice in the room?
#93575
A
how to kill
B
to kill
C
killing
D
killed
That is to say,missing the chance means________for another year. 
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A
waiting
B
to wait
C
wait
D
to be waiting
All agree that the pollution now is not easy_______.
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A
to be dealt with
B
dealing with
C
to deal with
D
to be dealing with