1 . He paid a visit to his uncle in the city. Then he went to the airport by taxi. （合并成一个复合句或并列句）
________________

2 . 随着冬季的到来，越来越多的北方人选择到海南过冬。（as）
________________________, more and more northerners choose to spend winter in Hainan.

3 . 我一直希望能再次见到你，以便我们可以交流学习经验。（so that）
I have been dreaming of seeing you again ________________________.

4 . 他虽然年轻时很有钱，但现在却一贫如洗。（although）
________________________, he is now as poor as a church mouse.

5 . 我可以把书带出图书馆，因为会员有特权使用图书馆的借阅服务。（as, privilege）
I can take books out of the library, ________________ using the lending service of the library.

6 . 不管你想去哪里度假，真正做决定的是你自己。（wherever）
________________, it's truly up to you.

7 . 袁隆平虽已九十岁高龄，但仍然思维敏捷。（while）
________________________, he is still quick-thinking.

8 . 他们过桥时听到了驶近的火车的汽笛声。（as）
________________________, they heard the whistle of the approaching train.

9 . 只要你答应11点钟之前回来，你就可以去参加聚会。（so long as）
You can go to the party,        ________________________ before eleven o'clock.

10 . 尽管路途漫长而孤单，Andrew仍继续行进。（although）
________________________, Andrew still pushed on.