句型转换。
1. Our city is beautiful. (改为感叹句)
_______ our city is!
2. There are two hundred famous companies in Xinjiang from 19 provinces. (对画线部分提问)
_______ _______ famous companies in Xinjiang are there from 19 provinces?
3. I am surprised to find great changes have taken place in China. (改为同义句)
_______ my _______, I find great changes have taken place in China.
4. My son is too young to join the army. (改为同义句)
My son isn't _______ to join the army.
5. She hardly knew how to solve this math problem. (完成反义疑问句)
She hardly knew how to solve this math problem, _______ _______?
