句型转换。
1. There're few students in the classroom. (改为反意疑问句)
There are few students in the classroom, _________?
2. She was having lunch at this time yesterday. (对画线部分提问)
_________ _________ she _________ at this time yesterday?
3. He read a storybook last night. (改为过去进行时)
He _________ _________ a storybook last night.
4. My son didn't come back home. I called him. (合并为一个由until引导的含时间状语从句的复合句)
_____________________________________________________________
5. His bag is full of sweets. (改为同义句)
His bag is _________ _________ sweets.
