2 . 很多吸烟者都意识到吸烟对他们健康的危害，所以他们努力戒烟。
Most smokers________ ________ ________ ________the dangers to their own health, so they try hard to quit it.

6 . 阅读并修改下列各句子，每句中只有一处错误，每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
1. One reason was because he painted very slowly, and sometimes did not finish his work.
2. These smart homes will provide a more comfortable environment to live.
3. He discovered that in two particular streets the cholera outbreak was very severe that more than 500 people died in ten days.
4. I bought some books, five of them were English novels.
5. When you reach the other end of the bridge, I will be waited right there to show you the way.
6. Accompany by six strong bodyguards, the president appeared.
7. There is a growing tend to regard quality of life more highly than money.
8. I had to admit that it was entire my fault.
9. Of the two possible plans I am in the favor of the former one.
10. Be with friends and family plays a big part in experiencing happiness.

8 . There are many factors that can contribute to a puffy face, but ________ (一般来说), weight gain in the face is caused by weight gain overall.   (根据汉语提示完成句子)