She is ________to look after herself .
A. enough young
B. old enough
C. enough old
— Must I finish the work today? — No, you _____.
| A．mustn’t | B．wouldn’t |
| C．needn’t | D．couldn’t |
Betty will ring me up as soon as she _____ in Shanghai.
| A．arrive | B．arrives |
| C．arrived | D．will arrive |
Mr. Smith came to our school in 2003. He _____ here for 10 years.
| A．works | B．worked |
| C．will work | D．has worked |
Some boys of Class One enjoy _____ pop music.
| A．listen to | B．listens to |
| C．listening to | D．listened to |
— Who listens ______ , Eric , Brad or Rick? — Of course Brad.
| A．the most carefully | B．more carefully |
| C．the most careful | D．more careful |