I was on the highway when this car went past fol. Lowed by a police car. They ______ at least 150 kilometers an hour.
| A．should have been doing | B．must have been doing |
| C．could have done | D．would have done |
相关试题
. I gave all the newspapers to them and left ____, though I didn’t have ____ 
at that time.
| A．nothing; much | B．nothing; many | C．none; much | D．none; many |
. The company’s profit drop ____ in the last three months of 2009 due to the financial crisis.
A. narrowly B. sharply C. roughly D widely
. There ____ be a flight for Kunming this evening, but you’d better find 
it out for sure.
| A．may | B．must | C．should | D．will |
Though ____ many times, the song still sounds as nice as before
| A．it was heard | B．hearing | C．heard | D．to be heard |
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