按要求改写下列各句，每空一词。
1. Mr Green is going to travel around the world. (改为同义句)
Mr Green is going to travel ______ ______the world.
2. The twins are going to the park tonight. (改为否定句)
The twins ________ ________ going to the park tonight.
3. She is going to Beijing by train. (对划线部分提问)
________ ________ she going to Bejing?
4. There are over one hundred boys on the playground. (改为同义句)
There are ________ ________ one hundred boys on the playground.
5. We are going to play football next Saturday. (对划线部分提问)
________ you going to ________ next Saturday?
