______ people have become masters of their country ____ science can really serve the people.
| A．It is only then ;that | B．It is that;when |
| C．It is only when; that | D．It is when;when |
-----Did you watch the basketball match yesterday?
-----Yes, I did. You know, my brother ________ in the match.
| A．is playing | B．was playing | C．has played | D．had played |
The two girls are getting on very well and share _______ with each other.
A. little B. much C. some D none
__________of the land in that district __________ covered with trees and grass．
| A．Two fifth; is | B．Two fifths; is | C．Two fifth; are | D．Two fifths; are |
You __________ put your computer in your bedroom．
| A．don’t need | B．had not better | C．had better not | D．ought not |
—How are you today?
—Oh, I __________ as ill as I do now for a long time．
| A．didn’t feel | B．haven’t felt | C．wasn’t feeling | D．don’t feel |