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.