It is important to keep ______ in an emergency (紧急情况).
| A．quiet | B．calm | C．silent | D．still |
That's the new machine parts are too small to be seen (2010．山东)
| A．that |
| B．which |
| C．whose |
| D．what |
The girl arranged to have piano lessons at the training centre with her sister she would stay for an hour. (2010．江西)
| A．where |
| B．who |
| C．which |
| D．what |
I've become good friends with several of the students in my school
I met in the English speech contest last year. (2010 .湖南)
| A．who |
| B．where |
| C．when |
| D．which |
Stephen Hawking believes that earth is unlikely to be the only planet
life has developed gradually.(2010．福建)
| A．that |
| B．where |
| C．which |
| D．whose |
My English a lot since I began to write English diaries.
| A．improves |
| B．has improved |
| C．improved |
| D．was improved |