问题
选择题
The students entered the classroom, smiling and ___, and ___ down to have their lessons.
A． talked; sat
B． talking; sitting
C． talking; sat
D． talked; sitting
答案
答案：C
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The students entered the classroom, smiling and ___, and ___ down to have their lessons.
A． talked; sat
B． talking; sitting
C． talking; sat
D． talked; sitting
答案：C