-- You speak very good English!
-- Thanks. I_______ English since I was a small boy.
| A．studied | B．had studied | C．was studying | D．have been studying |
Our English teacher is ill, and we are all ______ her health.
| A．concerned about | B．careful of | C．grateful for | D．calm down |
I want your ______, sir. I don’t know what to do with it.
| A．advices | B．piece of advices | C．advice | D．two advices |
--- Have we ______ water?
--- Yes, _____. We’d better get some.
| A．run out of; we have run it out |
| B．run out of; our water has run out |
| C．run out of; our water has been run out |
| D．run out; our water has been run out. |
The hotel has been enlarged; ____, it’s service is improving.
| A．as a result | B．on the other hand |
| C．in addition | D．as well as |
To keep the air clean, this hospital _____ all the patients ____ in and around it.
| A．allows; smoking | B．forbids; to smoke |
| C．prevents; smoke | D．prohibits; smoke |