题目内容
The teacher won't begin the class ________ all the students ________．
[ ]
A．until ; stop to talk
B．until; stop talking
C．if; stop to talk
D．if ; stop talking
答案：B
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名校课堂系列答案题目内容
The teacher won't begin the class ________ all the students ________．
A．until ; stop to talk
B．until; stop talking
C．if; stop to talk
D．if ; stop talking
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