句型转换。 1.Youcan'teatintheclassroom.(改为否定祈
题型：句型转换
问题：
句型转换。
1. You can't eat in the classroom. (改为否定祈使句)
________ ________ in the classroom.
2. Be quiet. (改为否定句)
________ ________ quiet.
3. Can we play soccer now? (作否定回答)
________, ________ ________
4. Sandra can speak French. (就画线部分提问)
________ ________ Sandra ________?