1 . The workers just carried out the order as they were told. （同义句转换）
The workers just carried out the order________ ________.

2 . If it is necessary, I’ll ask the teacher for help. （同义句转换）
________ ________, I’ll ask the teacher for help.

3 . While ________ in the classroom, I was nervous about my unfinished schoolwork.

A．sat

B．I sat

C．sitting

D．was sitting

4 . 一旦启动，今年这个工程就很难停下来。(once引导的状语从句的省略) （汉译英）

5 . 网购有风险，下单需谨慎。（汉译英）

6 . 南非有许多野生动物，难怪是动物爱好者的乐园，所以高考后我和同学们要去那里游玩。（汉译英）

7 . He gives the clerk the bank note. The clerk drops Henry's coat. Then he folds the bill and slowly unfolds it again, as if looking at something he can't believe is there. （英译汉）

8 . While Queensland Rail makes every effort to ensure trains run as _______ (schedule), there can be no guarantee of connections between trains or between train services and bus services. (所给词的适当形式填空)

9 . ________________, you can turn to me for help.
如果有必要的话，你可以向我求助。

10 . When a piece of ice is taken into a warm room, it soon changes into water. (用省略句改写句子)
→When ________ a warm room, the piece of ice soon changes into water.