题目内容
The Nile River ____ flood large areas but now the water ____ produce electricity.
A. used to; is used to B. used to; used to
C. was used to; is used to D. was used to; used to
【答案】
A
【解析】
试题分析:考查固定句型。句义:尼罗河过去常常淹没大片地区但是现在被用来发电。固定句型used to do 过去常常(而现在不。。。) be used to do 被用来。。。,根据句意所以A正确。
考点:考查固定句型
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