题目内容：

1. Please throw away your empty bottles. (改为否定句)

________ ________ away your empty bottles, please.

2.Let’s go to the forest park and have a barbecue. (改为反意疑问句)

Let’s go to the forest park and have a barbecue, ________ ________?

3. The team members will come back from Beijing in three days. (对划线部分提问)

________ ________will the team members come back from Beijing?

4. Mr. Green came into the room. He held a cup of tea in his hand. (合并为一句)

Mr. Green ________ the room ________ a cup of tea in his hand.

5.Dolphins are so clever that they can follow the instructions. (保持原句意思)

Dolphins are ________ ________ to follow the instructions.

6. Our teachers always tell us to keep the environment clean.  (改为被动语态）

We ________ always ________ to keep the environment clean by our teachers.

7.old, the, to, cleaning, had, all, woman, the, do, herself. (连词成句)

________________________________________________.