10.—Hi,Tracy,you look pale.
—I am tired.I _______ the living room all day.
A.painted B.had painted C.have been painting D.have painted
为什么选C,我觉得D也可以啊!
人气：155 ℃ 时间：2019-08-20 21:08:56
解答
哈哈又是你!主要考察过去完成进行时的概念和过去完成时的概念：第一：过去完成进行时：就像我刚给你回答的,完成进行时表示的是：过去做的动作“一直持续到现在,并且还有可能继续持续下去.”重在过程“ 同样的例子：T...
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