I will wait here the concert is over.A. byB. whenC. untilD. as

问题补充：

I will wait here the concert is over.

A. by

B. when

C. until

D. as

答案：

A. by

B. when

(答案→)C. until

D. as

解析：考查时间状语从句。句意“我将在这儿一直等到音乐会结束。”by“通过”；when“当”；until“直到”；as“当，随着，作为”。故选C。