The water behind the Three Gorges Dams (三峡大坝) should be ______ higher than downstream（下游）。
| A．sixty-five meter | B．sixty-fifth meter | C．sixty-five meters | D．sixty-fifth meters |
- You're going to publish my book. Are you serious?
--__________. It's to be published next month.
| A．No, I am not | B．No, I was just joking |
| C．Yes, I do | D．Yes, I have never been more serious |
No wonder you caught a cold. You________have gone out last night without a coat.
| A．shouldn’t | B．mustn’t |
| C．couldn’t | D．mightn’t |
His advertisement income this year is about $36 million, over three times________of last year.
| A．that | B．what | C．those | D．ones |
I suppose by the time I come back in ten years' time all these old houses_______down.
| A．will be pulling | B．will have been pulled |
| C．will have pulled | D．will be pulled |
I'm afraid I've little time to spare these days. I've a pile of papers to_____before the meeting.
| A．get through | B．put on | C．set up | D．send for |