题目内容：

句型转换。(每空1分，共6分)

1. She was sitting with her sister by the river. (改为一般疑问句)

___________ she sitting with her sister by the river?

2.Hong Kong is a big city. It has seven million people. (合并为一句)

Hong Kong is a big city ___________ seven million people.

3. Indian is smaller than China. (用big 改为同义句)

China is ___________  ___________ India.

4. Mr Yang often rides to work. (改为同义句)

Mr Yang often goes to work ___________  ___________ .