题目内容
We can’t laugh at others when they are ________ trouble.We should try our best ________ them.
[ ]
A.
at, helping
B.
in, help
C.
in, to help
答案:C
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题目内容
We can’t laugh at others when they are ________ trouble.We should try our best ________ them.
at, helping
in, help
in, to help