一、
1. ×
2. ×
3. √
4. √
5. √
6. √
7. ×
8. ×
9. ×
10. ×

二、
1. taste an apple
2. 帮助他学习数学
3. write to him
4. 请求笔友的帮助
5. good at drawing
6. 我最喜欢的画
7. like playing chess with me
8. 我希望如此
9. be on duty on Wednesday
10. 唱一首流行歌
11. all the students
12. start from 3rd of May
13. go to schooll from Monday to Friday
14. water flowers in the garden
15. like swimming very much

三、
1. A
2. B
3. B
4. C

一、
1. ×
2. ×
3. √
4. √
5. √
6. √
7. ×
8. ×
9. ×
10. ×

二、
1. taste an apple
2. 帮助他学习数学
3. write to him
4. 请求笔友的帮助
5. good at drawing
6. 我最喜欢的画
7. like playing chess with me
8. 我希望如此
9. be on duty on Wednesday
10. 唱一首流行歌
11. all the students
12. start from 3rd of May
13. go to schooll from Monday to Friday
14. water flowers in the garden
15. like swimming very much

三、
1. A
2. B
3. B
4. C