1. The room isn’t big enough to hold so many people.

　　 The room is _________ small _________ it can’t hold so many people.

5. They will produce two hundred thousand cars next year.

　　 Two hundred thousand cars will _________ _________ next year.

E) 改为复合句

4. I saw him play the piano in the room.

　　 _________ _________ seen to play the piano in the room.

3. They water the young tree every day.

　　 The young tree _________ _________ every day.

2. John’s family kept many sheep around the house.

　　 Many sheep _________ _________ by John’s family around the house.

1. We should protect the young trees by the river.

　 The young trees by the river _________ _________ protected.

5. Lanzhou is a beautiful city.

_________ _________ beautiful city Lanzhou is!

D) 改为被动句

4. His brother Li Ming runs very fast.

_________ _________ his brother Li Ming runs!

3. Mr. Green gave us useful advice on how to learn English well.

_________ _________ advice Mr. Green gave us on how to learn English well!

2. We had a good time at the party last night.

_________ _________ good time we had at the party last night!