问题
选择题
选择填空。
In class our teacher usually stands ______ the blackboard. [ ]
A．at the front of
B．in front of
C．at front of
D．in the front of
答案
答案：B
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选择填空。
In class our teacher usually stands ______ the blackboard. [ ]
A．at the front of
B．in front of
C．at front of
D．in the front of
答案：B