It was _____ great shock to the world that two airplanes crashed into _____ World Trade Centre in New York on Sept．11．
| A．a；／ | B．the；the |
| C．a；the | D．／；the |
— Do you mind if I close the window?
— _______．We should let in more fresh air．
| A．Yes, go ahead． | B．Of course not |
| C．I would like to close it | D．I’d appreciate it if you didn’t |
Whom do you want to have_______ the living conditions of migrant workers?
| A．improve | B．to improve |
| C．improving | D．improved |
I have bought a good book, ______ that will surely interest ______ of the students．
| A．one; everyone | B．the one; everyone |
| C．one; every one | D．the one; every one |
— Chinese Premier Wen put great pressure on the Japanese side, otherwise the boat captain ___________．
— As the saying goes, he who hasn’t seen the coffin （棺材） won’t cry．
| A．wouldn’t be released | B．hadn’t been released |
| C．wouldn’t have been released | D．should have been released |
— Hi, Tom．Any idea where Mary is?
— She in the reading room．I saw her there just now．
| A．shall be | B．should have been |
| C．should be | D．might have been |