--This yard is so clean today and everything looks fine.

--This yard is so clean today and everything looks fine. --I didn't notice that. It's clear someon
--This yard is so cleantoday and everything looks fine.
--Ididn'tnotice that. It's clear someone it.
A. cleans B.cleaned C.has cleaned
高手赐教谢谢

选C
题意：--院子今天非常干净,一切看起来都很好.
--我没注意,很明显有人清洁过.
根据题意,是有人已经清理过了,所以现在非常干净,现在完成时强调对现在的影响.
再问： 您好，是不是clear与someone之间应加一个逗号？谢谢！！！
再答： 不用加逗号，it's clear (that)...... 这句话是主语从句，it是形式主语，真正的主语是that后面的部分，that可以省略

如以上回答内容为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！

点此我要举报以上问答信息