题目内容
The one _________ me is writing on the blackboard ________ the classroom
A. behind ; in front of
B. behind; in the front of
C. at the back of; in front of
D. at the back of ; in the front of
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题目内容
The one _________ me is writing on the blackboard ________ the classroom
A. behind ; in front of
B. behind; in the front of
C. at the back of; in front of
D. at the back of ; in the front of