题目内容
We _____ to move but are still considering where to go to.
| A．are deciding | B．decided |
| C．have decided | D．had decided |
C
解析用现在完成时表示影响。
Although medical science __________ control over several diseases,what worries us is that some of them are returning.
| A．achieved | B．has achieved | C．will achieve | D．had achieved |
At present , the butter factory is still polluting the river though it _____to stop.
| A．ordered | B．has ordered | C．will be ordered | D．has been ordered |
The discussion ________ alive when an interesting topic was brought in.
| A．was coming | B．had come | C．has come | D．came |
—It is the first time that I ________ here in Hong Kong.
—What great changes！It’s ten years since I ________here last time.
| A．have been；came | B．have been；have come |
| C．am；came | D．was；have been |
Look! There is a whole crowd of people over there．Go and see what __________ and if it is a bargain，buy it．
| A．is selling | B．has been selling |
| C．is being sold | D．has been sold |
—Is that Dec.21,2012 is the end of the world true?
—Definitely not，but ________ must be paid to global climate change.
| A．contact | B．care |
| C．attention | D．influence |
— Isn’t it amazing that I met Francis at the Christmas party?
—Really?For how many years ____ each other?
| A．didn’t you see | B．haven’t you seen |
| C．hadn’t you seen | D．don’t you see |