Professor James will give us a lecture on the Western culture, but when and where __________ yet.
| A．hasn’t been decided | B．haven’t decided |
| C．isn’t being decided | D．aren’t decided |
Stand over thereyou'll be able to see the oil painting better.
| A． | but | B． | till | C． | and | D． | or |
The director had her assistant ___ some hot dogs for the meeting.
| A．picked up | B．picks up | C．pick up | D．picking up |
If the weather had been better, we could have had a picnic. But it ____ all day.
| A．rained | B．rains | C．has rained | D．is raining |
——Could I ask you a rather personal question?
——Sure, ____.
| A．pardon me | B．go ahead | C．good idea | D．forget it |
——What are you reading, Tom?
——I’m not really reading, just ___ the pages.
| A．turning off | B．turning around | C．turning over | D．turning up |