They________have arrived at lunchtime but their flight was delayed.(2011·全国 )
| A．will | B．can | C．must | D．should |
相关试题
_______blood if you can and many lives will be saved．
| A．Giving | B．Give | C．Given | D．To give |
二、单选
I want an assistant with ___ knowledge of French and____experienceof office routine．
| A．the…the | B．a…the | C．the…an | D．a…an |
35. Don’t worry if you don’t understand everything, the teacher will __ the main points at the end.
| A．recover | B．review | C．require | D．remember |
34. You and I could hardly work together,____________? 
| A．could you | B．couldn’t I | C．couldn’t we | D．could we |
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