题目内容
We are doing a research ________ what people do in their leisure time.
[ ]
A.
on
B.
in
C.
at
D.
for
答案:A
解析:
解析:
|
on表示“在某某方面,关于……”。 |
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题目内容
We are doing a research ________ what people do in their leisure time.
on
in
at
for
|
on表示“在某某方面,关于……”。 |