She went to bed at nine last night.at nine 对这个提问 ___she_to bed last night?4 个空
问题描述：
She went to bed at nine last night.
at nine 对这个提问 ___she_to bed last night?
4 个空
答
What time did she go to bed last night?
如果少一个格子，就是When did she go to ...
答
(When did )she ( go) to bed last night?
答
What time did she go to bed last night?