问题
选择题
-______ did he stay up late last night?
- Because he studied for the English exam.
A. When B. Why C. Where
答案
答案：B
考查情景交际。根据答语中的because可知，问句问的是“他昨晚为什么熬到很晚。”问原因用why。故选B。
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-______ did he stay up late last night?
- Because he studied for the English exam.
A. When B. Why C. Where
答案：B
考查情景交际。根据答语中的because可知，问句问的是“他昨晚为什么熬到很晚。”问原因用why。故选B。