根据句意及单词的首字母或汉语提示完成句子。
1. Don't s at me, I can hear you.
2. They r their bikes to the Great Wall last Saturday.
3. If something h to you, let me know.
4. Don't leave rubbish(垃圾) a .
5. When the teacher came in, we all stopped (交谈).
6. The dog _____________(跳跃) down from the sofa and came to meet his owner(主人)
7. We were _____________(害怕) of the strange noise.
8. They _____________(参观)the Summer Palace last Saturday.