问题
Have you ever dreamed of staging a concert, ________ thousands of people are applauding and appreciating your music?
A:at which
B:when
C:for which
D:which
B:when
C:for which
D:which
正确答案是：
同类题型
Turn off the TV, Jack. ____ your homework now?— Mum, just ten more minutes, please.
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