Please knock at the door ________ you come into the room.
| A．before | B．after | C．until | D．while |
He didn’t receive any higher education in the past but now he is the man in our team.
| A．funniest | B．honestest | C．ablest | D．Simplest |
During the period of the Anti-Japanese War, millions of common people our great country.
| A．died of | B．died from | C．died for | D．died off |
— May I use your computer to send an important email now, Paul?
— . I will not use it.
| A．No, you can’t | B．I’ve no idea |
| C．Sure, go ahead | D．Not at all |
I am very excited _______ I hear the news that the high-speed rail will be built from Hefei to Wuhu.
| A．before | B．when | C．until | D．While |
In Tianjin Big fire more than one hundred people died, fifty-eight fire fighters.
| A．remaining | B．including | C．wondering | D．managing |