We had so much homework. I didn’t go to bed I finished it yesterday evening.A. afterB. unt

问题补充：

We had so much homework. I didn’t go to bed I finished it yesterday evening.

A. after

B. until

C. when

D. but

答案：

A. after

(答案→)B. until

C. when

D. but

解析：本题的含义是我们有如此多的家庭作业，所以昨天晚上直到我完成了作业我才去睡觉，not……until可以表示直到……才，故本题选B。