. The mother often tells her son to be a good boy， warning him to ______ trouble.
| A．hold back from | B．keep out of | C．break away from | D．get rid of |
28．--- What do you think of your winning the game?
--- On the one hand, I am proud of it; but on the other hand, I feel I it better.
| A．could do | B．would do | C．could have done | D．must have done |
--- Can I use the telephone on the table, sir?
--- Under no circumstances the telephone in the office for personal affairs.
| A．anyone is allowed to use | B．anyone is allowed using |
| C．is anyone allowed to use | D．is no one allowed using |
--- Is Bob still working in your school?
--- I’m afraid not. He is said and in a private school recently.
| A．to resign; to teach | B．to have resigned; to teach |
| C．to resign; to be teaching | D．to have resigned; to be teaching |
There’s nobody here our English teacher. Fortunately, she is more than glad to give us help when we are in trouble.
| A．rather than | B．other than | C．more than | D．less than |
--- What does the notice on the wall say?
--- ‘No person take books out of the reading room; otherwise he would be fined.’
| A．will | B．may | C．shall | D．Must |