The old couple have been married for 40 years and never once_____with each other.
| A．they had quarreled | B．they have quarreled |
| C．have they quarreled | D．had they quarreled |
Shanghai is trying to control ________ number of cars on the road to ensure clean air for ________ 2010
World Expo.
| A．a ; / | B．a ; the | C．the ; / | D．the ; the |
__________ that the group of experts like them immediately.
| A．Such students are clever | B．So clever the students are |
| C．Such clever the students are | D．So clever are the students |
What way are you thinking of ______rid of the air pollution in our capital city?
| A．being getting | B．getting | C．to get | D．being got |
They were kept waiting in the snow for a couple of hours,________．
| A．cold and hungry | B．coldly and hungry | C．cold and hungrily | D．coldly and hungrily |
The front door ________ open．I'll have it repaired．
| A．mustn't | B．shouldn't | C．may not | D．won't |