问题
选择题
The funny story _____a loud laugh in the classroom.
A．got off
B．set off
C．took off
D．turned out
答案
答案：B
set off引起或激发(=cause)。
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The funny story _____a loud laugh in the classroom.
A．got off
B．set off
C．took off
D．turned out
答案：B
set off引起或激发(=cause)。