-Turn off the TV,Jack.your homework now?
-Mum,just ten more minutes,please.
| A． | Should you be doing | B． | Shouldn't you be doing |
| C． | Couldn't you be doing | D． | Will you be doing |
Only when ________ possible to settle the problem.
| A．does the chief editor come will it be | B．the chief editor comes will it be |
| C．has the chief editor come will it be | D．the chief editor comes it will be |
It was due to her elegant ______ and gentle temper that she has won the respect of her collegues.
| A．deeds | B．behaviors | C．actions | D．behavior |
I’m sorry, _____ I won’t be able to come tonight.
| A．for | B．and | C．but | D．then |
My friend Mary is _____ beautiful girl and _____ girl everyone likes to work with.
| A．a, a | B．a, the | C．the, a | D．the, the |
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 |