问题
选择题
There will be a twenty-minute break during the performance, ______ people can go to the restroom or buy some snacks.
A.that
B.where
C.when
D.which
答案
答案:C
这里考查非限制性定语从句,定语从句修饰a twenty-minute break(20分钟的休息时间),所以用when引导定语从句。句意是,在表演中将有20分钟的休息时间,这时人们可以去休息室买点零食。