Question

 按要求轉換句子,每空一詞。

1. To keep our classroom clean is important. (用it改寫句子)

________ ________ important ________ ________ our classroom clean.

2. The two boys are listening to the teacher in the classroom. (就劃線部分提問)

________ ________ the two boys ________ in the classroom?

3. I have seen the tiger since 1999. (變?yōu)橐话阋蓡柧?

________ ________ ________ the tiger since 1999?

4. There are 29 kinds of animals in the zoo. (就劃線部分提問)

________ ________ ________ ________ ________ ________ there in the zoo?

5. We shouldn't kill these birds. (變?yōu)榉穸ㄆ硎咕?

________ ________ these birds.

Answer 1

1. It is, to keep 2. What are, doing 3. Have you seen

4. How many kinds of animals are 5. Don't kill