按要求改写句子。
1. He speaks English better than any other student in the class. (改为同义句)
He ____ ____ ____ ____ his class.
2. I think Eliza is the best performer. (对画线部分提问)
____ ____ ____ ____ is the best performer?
3. They sang a cute song together. (改为否定句)
They ____ ____ a cute song together.
4. The dog lies on the ground. (用now改写)
The dog ____ ____ on the ground ____.
5. Beijing is very hot in summer. (对画线部分提问)
____ ____ ____ ____ in summer in Beijing?