He covered the table              a piece of cloth. 
#50481
A
of
B
for
C
with
D
on
推荐题目
 I’m going to Beijing ______the 12th.
#46936
A
in
B
on
C
at
D
For
I like going to school_____bike.
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A
in
B
on
C
by
D
at
Our Earth will be ________ if we go on cutting down millions of trees every year.
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A
in great danger
B
danger
C
dangerously
D
out of danger