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

小题1: Please throw away your empty bottles. (改为否定句)
________ ________ away your empty bottles, please.
小题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, ________ ________?
小题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?
小题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.
小题5:Dolphins are so clever that they can follow the instructions. (保持原句意思)
Dolphins are ________ ________ to follow the instructions.
小题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.
小题7:old, the, to, cleaning, had, all, woman, the, do, herself. (连词成句)
________________________________________________.