--Why do you look pale today?
--I was very ________my mother’s illness. I stayed awake last night.
| A．concerned about | B．concerned with |
| C．concerned in | D．concerned to |
Jack has had no ________experience of this kind of job，but he got the job offer just due to his honesty.
| A．previous | B．obvious | C．cautious | D．precious |
--- We don’t think we’ll be able to go mountain-climbing tomorrow.
---______ the weather turns out fine?
| A．How come | B．How about | C．What if | D．Why not |
It is high time, I think, that you got down to ______ something in class.
| A．do | B．did | C．doing | D．does |
At the meeting place of the Yangtze River and the Jialing River________,one of the ten largest cities in China
| A．lies Chongqing | B．Chongqing lies | C．doer lie Chongqing | D．doer Chongqing lie |
---_______ the plane have taken off on time?
--- I’m afraid not. The fog was too thick then.
| A．Would | B．Should | C．Can | D．Must |