问题
选择题
I listen to the teacher _____ the classroom _____ Monday. [ ]
A. at, on
B. in, in
C. in, at
D. in, on
答案
答案：D
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I listen to the teacher _____ the classroom _____ Monday. [ ]
A. at, on
B. in, in
C. in, at
D. in, on
答案：D