You can’t imagine what great trouble they have _____ the problem _____.A．to sol
题型：不详难度：来源：
You can’t imagine what great trouble they have _____ the problem _____.| A．to solve; being talked about | B．solving; discussing | | C．to solve; to talk about | D．solving; being discussed |
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答案
| D |
解析
| 由have great trouble （in）doing sth.可知第一空应用solving; being discussed作定语修饰problem，表示“正在被讨论的问题”。 |
举一反三
The thief fell to the ground, his left foot _____ and blood _____ down from his mouth.| A．breaking; running | B．broken; running | | C．breaking; run | D．broken; run |
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The program was so exciting that the children kept their eyes _____ on the screen.| A．to fix | B．to be fixed | C．fixed | D．fixing |
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As I will be away for at least a year, I’d appreciate _____ from you now and then so that I can know how everyone is getting along.| A．having heard | B．to hear | | C．hearing | D．being heard |
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_____, the subject was always in my mind.| A．Walking or sleeping | B．Walking or slept | | C．Having walked or slept | D．To walk and sleep |
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- Did you get a dictionary?
- No, I _____, but there were not any _____.| A．tried; to be left | B．had tried to; leaving | | C．tried to; left | D．had tried; have left |
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