______ a good insulator(绝缘体) , rubber is often used in cables.A.Having beenB.To
题型:不详难度:来源:
______ a good insulator(绝缘体) , rubber is often used in cables.A.Having been | B.To be | C.Be | D.Being |
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答案
D |
解析
现在分词短语表原因,状态等;不定时表示将来,目的。 |
举一反三
----- Do you have clothes ______? I’ll wash them for you. ------No, thank you. I will wash them myself. A.to be washed | B.to wash | C.washing | D.being washed |
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The sun shines brightly in the sky______ us light and heat.A.that give | B.having given | C.to give | D.giving |
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In the cinema, there was an old man______ beside me.A.at | B.sit | C.sitting | D.to sit |
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The boy pretended ______ his homework, when his parents came back home.A.to do | B.do | C.doing | D.to be doing |
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I think ______ at the train station will surprise Aunt Kate. A.your being | B.you are | C.you were | D.you to be |
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