The River Nile flood large areas, but now the water of it produce electricity. A
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TheRiver Nile________ flood large areas, but now the water of it________produceelectricity.
A.used to; is used to B.was used to; is using to
C.was used to; is used to D.used to; is used for
试题答案
答案:A
提示:| usedto do...过去常常; be used to do…被用来做某事;be used to doing…习惯于做某事; be used for...被用于,被用作。
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