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
B
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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
B