--Could I speak to Mr Brown?
-- ______ , I'1l go and see if he is in.
| A．Who are you | B．He isn't here | C．I'm sorry | D．Hold on, please |
I hope you will study hard and master as much knowledge as possible; otherwise you will have to live a hard life_______.
| A．as a result of | B．in a word |
| C．as a consequence | D．now and then |
People are very _____ about the problems ____ the environment.
| A．concerning; concerned | B．concerning; concerning |
| C．concerned; concerned | D．concerned; concerning |
The headmaster decided to have a word with whoever is ______ this matter.
| A．responsible for | B．in the charge of |
| C．operated | D．connected for |
This injury could mean him ______ tomorrow’s 110-meter hurdles.
| A．to miss | B．missing |
| C．having missed | D．will miss |
_____ twice a year, whether it is a car or a bus, is a rule that every driver must obey in this city.
| A．Examining | B．Examined |
| C．To examine | D．Being examined |