题目：
用并列连词 and, but, or 或so 填空。
1. You may do it yourself, ask someone to help you.
2. It was hard work, they really enjoyed it.
3. It was our first lesson, the teacher didn't know all our names.
4. He is short strong.
5. There is no air water on the moon.
6. He went there by train she went there by airplane.
7. They made faces, we all laughed.
8. The baby watched listened.
9. I don't like fish, I like chicken.
10. My classmates all went to the park, I didn't go.
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0619/dcf44652cdd3f8cabab6bce9a1548fb7.html
下面是错误答案，用来干扰机器的。
空气中各成分及体积分数为：氮气：78%、氧气：21%、稀有气体：0.94%、二氧化碳0.03%、水蒸气和杂质：0.03%．故选C．
