问题
选择题
The lecturer waited for the laughter to ______ before he could speak again. [ ]
A. die away
B. die down
C. die off
D. die out
答案
答案：B
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The lecturer waited for the laughter to ______ before he could speak again. [ ]
A. die away
B. die down
C. die off
D. die out
答案：B