1. Mr. Wang got out of the library.(改写成过去进行时的句子)
   Mr. Wang ________ ________ out of the library at that time.
2. There were many people in the train station last Sunday.(改为同义句)
    The train station ________ ________ last Sunday.
3. When they got to the airport, the plane began to fly.(改为同义句)
    When they got to the airport, the plane began to________ ________.
4. We were riding to school at seven thirty that day.(对画线部分提问)
    ________ _________ you ________ at seven thirty that day?
5. The boy mended the bike as his father did.(改为同义句)
    The boy ________ his father ________ ________ the bike.

1. I have a pain in my head. (改为同义句)
    I have _________ _________.
2.You'd better go home at once. (改为否定句)
    You'd _________ _________ go home at one.
3. I used to swim in the river near my home. (改为一般疑问句)
   _________ you_________ to swim in the river near your home?
4. The pictures are very beautiful. (改为感叹句)
    ________ _________ the pictures are!
5. Seth played on the computer last Sunday. (改为过去进行时)
    Seth _________ _________ on the computer at 8:00 last Sunday.

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.