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The River Nile flood large areas, but now the water of it produce electricity.A.used to; is used toB

编辑:chaxungu时间:2026-04-24 12:57:19分类:高中英语题库

The River Nile ________ flood large areas, but now the water of it ________ produce electricity.
A.used to; is used toB.was used to; is using toC.was used to; is used toD.used to; is used for在线课程A
used to 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.