1 . 当你看到某人受苦时，不要只是袖手旁观。请主动帮助他。
When you see someone suffer, don’t just __________. Please offer to help him.

2 . 当比赛期间拍照时，请关闭闪光灯。(汉译英)

3 . 如果你对这个活动感兴趣，请下周一之前来报名。(sign up) (汉译英)

4 . 对你自己所做的事情要有热情。(be passionate about) (汉译英)

5 . Every drop of water is precious. ________ when you brush your teeth. (不要让水龙头一直开着) （根据汉语提示完成句子）

7 . 拍照时请关闭闪光灯。 (turn off) (汉译英)

8 . 选择最恰当的短语完成句子（每个短语只能用一次）。

A. are addicted to               B. paid off                      C. in person                      D. sign up                      E. swept away

1. If you want to take part in the activity, please ________ for it before Friday.
2. Clearly, all the extra hours that he'd spent practicing alone ________.
3. I shall be present at the meeting ________.
4. A lot of students ________ computer games.
5. My mother ________ the dirt of the house and got ready for the new year.