1 . Jack’s mother was so tired. She fell asleep        she lay down on the bed.

A．until

B．unless

C．as soon as

D．while

2 . 迈克一放学回家就开始做饭。
Mike started cooking________he got home from school.

3 . 药片可能会被孩子们误认为是糖，所以应该放在孩子们拿不到的地方。(inaccessible) (汉译英)

4 . 阅读原版小说时，没有必要在词典里查每一个生词。(look) (汉译英)

5 . President Xi encourages Chinese people to plant trees _________ our country can be more beautiful.

A．in order to

B．even though

C．as long as

D．so that

6 . —Macau has set a successful example of “One Country, Two Systems”.
—Time flies. It’s been over 20 years ________it returned to China.

A．since

B．when

C．after

7 . 这本书值得反复阅读，它生动地描述了20世纪30年代的上海。(worth) (汉译英)

8 . ________ you begin to do something, you must carry on with it, otherwise you will never achieve anything.

A．Once

B．Unless

C．Before

D．Although

9 . He angled his chair ________ ________ he could sit and watch her.
他斜移了椅子，以便坐着观察她。

10 . ________ ________ what you do，I will support you until you succeed.
无论你做什么，我都将支持你，一直到你取得成功。