句型转换

1. My mother stopped me from talking during the dinner. (改为同义句)

My mother didn't ______ me ______ talk during the dinner.

2. You mustn't throw anything at the animals when you are in the zoo. (改为祈使句)

_____ _____ anything at the animals when you are in the zoo.

3. The twin needs some bananas. (改为否定句)  

The twin ______ need ______ bananas.

4. It's known that Zhang Ziyi is a famous actress. (改为同义句)

Zhang Ziyi ______ ______ ______ a famous actress.