1 . 单句改错
1. I’ll go and get my tennis bat back before Alice went home.
2. Peter enjoys Jazz very much when his father is interested in Blues.
3. No sooner had I left my house when it began to rain.
4. All people, if they are old or young, rich or poor, have been trying their best to help those in need since the disaster.
5. The newcomer went to the library the other day and searched for no matter what he could find about Mark Twain.

2 . 单句改错
1. I’m going to your city next month and I’d appreciate if you could act as my guide during my stay here.
2. What the teacher concerned was that we had collected enough money for the library.
3. Dad made a promise that whether I should be admitted into the university he would buy me a computer.
4. After that seemed ages of wait, he heard his name called and his turn to be examined by the doctor finally came.
5. Jane is one of my teachers who come from either Qingdao or Jinan. I can’t remember where.
6. The message which a new teacher would teach us English reached us yesterday.
7. Considering his ability, we at first doubted that he was fit for the position.