The speaker raised his voice _____ make himself _____ by the listeners．
| A．so that; heard | B．in order to; hearing |
| C．so as to; heard | D．to; to be heard |
___ I know he will stay here for half a year.
| A．as soon as | B．as long as | C．so far as | D．as well as |
_____ the government agrees to give extra money , the theatre will have to close.
| A．Until | B．Unless | C．Since | D．While |
----Iam sorry to have ____ too much of your time.
----That's OK, and I am glad to help you.
| A．taken up | B．taken on | C．taken off | D．taken in |
Mary and her friends paid_____visit to _______Summer Palace yesterday.
| A．the; / | B．a; the | C．a; / | D．the; a |
It was back home after the experiment.
| A．not until midnight did he go | B．until midnight that he didn’t go |
| C．not until midnight that he went | D．until midnight when he didn’t go |