6. Mr. Green ___________ (not go) home until he finished his work.

5._________ (not drop) litter carelessly.

4. If more and more wetlands ________ (disappear), there ________ (be) less and less space for plants, animals and birds.

3. They _________ (see) many different kinds of birds at Beijing Wildlife Park yesterday.

2. We _________ (have) pizza for dinner tonight .

1. The meeting ________ (start) at 8:30 am and _________ (finish) at 3:30 p.m.

10.The students are going camping this Saturday.(改为一般疑问句，并作肯定回答)

　　　 　______________________________________?　 _____________.

9. Sandy keep different kinds of goldfish at home. (改为同义句)

　　　 　Sandy keep _______________________________at home.

8. I like the parrot best. (改为同义句)

Parrot is ________________bird.

7. She’ll go birdwatching in Beijing Wildlife Park. (改为否定句)

____________________________________________