----Must I write all the words down now? ---No, you ____.
| A．mustn’t | B．can’t | C．wont’ | D．needn’t |
Don’t read in bed ， it’s not ____ your eyes.
| A．good for | B．bad at | C．bad for | D．good at |
I think we’re old enough with housework.
| A．to help | B．helping | C．helped | D．help |
I decide at home and have a good rest.
| A．stay | B．to stay | C．stayed | D．staying |
I have two children， and ______ of them are working in the west of China.
| A．all | B．both | C．neither | D．either |
He had to retire(退休) early poor health.
| A．but | B．because | C．so | D．because of |