同义句转换。 1. There is only a chair in the room. There is _____________ a chair in the room. 2. Mrs. Smith is busy. She is doing her housework now. Mrs. Smith is ______________ her housework now. 3. The teacher said, 'Don't cheat in exams, children!' The teacher told the children ______________ cheat in exams. 4.  Nick was so tired that he couldn't walk any further. Nick was _______________ any further. 5. We can't finish the project on time unless you support us. The project can't be finished on time ________________. 6.  Shall we watch the exciting ping-pong match together? ________________ watch the exciting ping-pong match together? 7. My cousin usually walks to school every morning. My cousin usually goes to school ________________ every morning.