题目内容
You must sit ________ the hall, or you won't listen to the lecture clearly.
[ ]
A．in the front
B．in front
C．in front of
D．in the front of
答案：D
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题目内容
You must sit ________ the hall, or you won't listen to the lecture clearly.
[ ]
). 
) to the computer. 
)in the classroom.