题目内容
The students stand _________ a row _________ front of the class.
[
]A
. in...at B.in...in C.at...at D.at...in
答案:B
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题目内容
The students stand _________ a row _________ front of the class.
[
]A
. in...at B.in...in C.at...at D.at...in