You will have to wait for one more week, _________ the manager will be back from his trip.
| A．when | B．before | C．as | D．until |
—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 don’t． |
— Hi, Tom．Any idea where Mary is? ．
一 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 |
Mr. Lee, who _______ as a carpenter for over 10 years, is now a very famous statesman in this country.
| A．has worked | B．had worked | C．worked | D．works |
— Can I use the telephone on the table, sir?
一 Under no circumstances ____to use the telephone in the office for personal affairs.
| A．anyone is allowed | B．nobody is allowed | C．is anyone allowed | D．is nobody allowed |
Though there was a heavy rain and terrible thunderstorm, the children slept _____all night.
| A．quickly | B．quietly | C．deeply | D．soundly |