1.Have a good look at that man you meet him.
答案when/as
2.It was already eight o’clock we got there.
答案when
3. time went on,he missed his parents more and more.
答案As
4.He learned to speak German he was in Berlin.
答案while/when
5.Henry is in charge of the office Mr Smith is away.
答案while/when
6.He had learned Chinese he came to China.
答案before
