Calculations, which are astronomically exact, have been made with the use of computers.
| A．possible | B．it possible | C．possibly | D．to be possible |
相关试题
----Would you mind if I turned off the light?
----____________.
A．Yes, go ahead  |
B．No, please don’t | C．Go ahead, please | D．Certainly, do as you please |
---- You _____ have given them some advice.
---- So I did, but who cared what I said?
| A．must | B．ought to | C．might | D．could |
Reportedly yesterday a group of American soldiers were walking along the road in Iraq when a bomb（炸弹） was _____, three of whom were killed.
| A．set about | B．set off | C．set up | D．set out |
He is never allowed ________ in the room.
| A．to smoke | B．smoking | C．smoked | D．to be smoked |
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