l. There are few students in the classroom.(改为反意疑问句)
   There are few students m the classroom, ______?
2. Our school held a sports meeting last week.(改为一般疑问句)
   ______ your school______a sports meetng  last week?
3.You mustn't cross the road when the traffic lights are red. (改为祈使句)
   ______ the road when the traffic lights are red.    .
4.I came here three days ago. (用for three days改写)
   _____________________________________________________

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.