单句改错（共10小题；每小题1分，共10分）
错词：在横线上写上“*词改为*词”；
多词：在横线上写“去掉*词”；
少词：在横线上写：*词前/后加*词。
1. The book is belonged to me. ____________________
2. —What’s that noise?
—Oh. Let me see. The new machine is tested. ____________________
3. I was about to sleep while there was a knock on the door. ____________________
4. The motto of the Olympics is “Swift, Higher and Stronger”. ____________________
5. They may start as a group of high-school students, with whom practicing their music in someone’s house is the first step to fame. ____________________
6. I put the letter in an envelope, attaching a stamp to it and mailed it.
____________________
7. As we all know, smoking do harm to our health. ____________________
8. The teacher was telling us such interesting a story that we all forgot the time.
____________________
9. The book is real bargain at two yuan. ____________________
10. His illness resulted in his hard work. ____________________