阅读下列各小题，根据括号内的汉语提示，用句末括号内的英语单词完成句子。
He asked his sister___________________________ (她将什么时候回家). （come）
She asked me ____________________________ (我是否看见了他) the day before. （see）
The museum ____________________ (我参观过的) years ago is now a school.
Do you still remember the day ______________________(我们见面) in the park?  (meet)
Only if you study hard ____________________ (你才能通过这次考试). (pass)
It was John _____________________ (把这些钥匙遗失在这) yesterday. (leave)
_____________________ (一旦你理解) the meaning of the poem, you will enjoy it very much. (once)
It was the third time that _______________ (他来到) to this mountain village to see the children. (come)
Although he is in poor health, ________________ (但是他依然努力工作).  (work)
No one knows ___________________ (中国会起什么作用) in the international business in the future. (part)