----- Perhaps John’s not in.
-----_______. Look, the light’s on.
| A．Yes, he can be at home. | B．No, he couldn’t go out. |
| C．Yes, he must be at home. | D．No, he needn’t go out. |
—Hey, taxi!
—, sir?
—Can you take me downtown?
| A．What’s it | B．What’s up | C．Can I help you | D．Where to |
—I don’t suppose Jimmy could have done well in the mid-term exam last week,______?
--- ______ he almost failed in the exam．
| A．had he; Yes | B．did he ; No | C．do I ; Yes | D．could I ; No |
It is strange that such a thing ______ in your school．
| A．will happen | B．happens | C．should happen | D．happened |
As is often pointed out, knowledge is a two-edged weapon which can be used ________ for good or evil．
| A．similarly | B．properly | C．equally | D．widely |
Urban crowdedness would be greatly relieved if fares ________ on public transport were more reasonable．
| A．offered | B．charged | C．paid | D．spent |