欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

() 2. — Would you like  the environment?

—Yes,I'd like to.

   A. help protect   B. helping protect

   C. to help protecting   D. to help protect

() 1. (2015 •重慶) It's getting dark. Would you please  the light?

   A. get on   B. get off   C. turn on   D. turn off

5. It's wise of you (change) your plan now.

4. People can do something good for our earth by (ride) bicycles.

3. Will the meeting (put) off to next week?

2. My grandfather likes (dig) in the garden every day.

1. Please remember (turn) off the lights when you leave,Lucy.

5. You must solve it well,because it's a (嚴(yán)肅的) problem.

4. Noise pollution has (導(dǎo)致) a lot of trouble.

3. You are (明智的) enough to take a map and a mobile phone with you.