1. The girl is singing in the classroom.(改為否定句）(改為一般疑問句)
2. They are looking for bag.(對畫線部分提問）
3. I am mending my bike now.(同上）
4. There are twelve studens over there.(同上）
5. I can speak English.(改為一般疑問句）
6. I am writing now.(同上）
7. I have a desk and a chair.(用He做主語改寫句子）
8. She is buying some food in the supermarket.（改為否定句）
9. I am ill. （對畫線部分提問）
10. Does she like growing flowers? （給予否定回答）
11. I will make model planes with my classmates on Sunday. (對畫線部分提問）
12. The girl dances beautifully.（改為感嘆句）
13. The waiter and the waitress play table tennis every day.( 改為否定句）
14. The boy is standing on the man's shoulders.(改為一般疑問句）
15. It's ten o'clock.(對畫線部分提問）
