The problem is hard but Tom has_____a good idea to solve it.A．caught upB．came up
题型：不详难度：来源：
The problem is hard but Tom has_____a good idea to solve it.| A．caught up | B．came up with | C．caught up with | D．comn up wlth |
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答案
| D |
解析
试题分析：句意：这个问题很难，但是汤姆已经想出了解决他的主意。Come up with提出，想出catch up with超过，赶上，结合语境可知用现在完成时have done ， 故选D。 |
举一反三
The telephone_____talking to prople far away.| A．used buy | B．is used for | C．is used to | D．used for |
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—Could you help me with my English now?
—Yes,I_____.| A．can | B．could | C．must | D．should |
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Some of my friends are interested in science,but none of them can tell_____.| A．when UFOs will appear next time. | | B．why do horses know the way. | | C．where was this kind of plant found. | | D．how do elephants communicate. |
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Could you please ______ us an interesting story ?
A. speak B. tell C. say |
When Jim’s mother came in, he _______ his homework.
A．is doing B．has done C．was doing#科# |
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