两个英语习题~快帮忙解答!求详解
1.EversincePicasso'spaintingwentonexhibit,there__largecrowdsatthemuseumeveryday.A.havebeenB.hasbeenC.isD.arebeing这个题为什么选A?有everyday表每天,不是应该用一般现在时吗,为什么不选C?
2.Bob'sleggothurt__thePurplemountain.A.whileheisclimbingupB.whliewewereclimbingupC.whileweclimbedupD.whileheclimbedup这个题为什么选B,不能选A或者D呢?