____my glasses?i can't find themI ___ them on the desk,but they're not there nowwa,do you see.have seen b have you seen.saw c do you see.saw d did you see.have seen选哪个 为什么,

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____myglasses?ican''tfindthemI___themonthedesk,butthey''renottherenowwa,doyousee.haveseenbhaveyouseen.

____my glasses?i can't find themI ___ them on the desk,but they're not there nowwa,do you see.have seen b have you seen.saw c do you see.saw d did you see.have seen选哪个 为什么,
____my glasses?i can't find them
I ___ them on the desk,but they're not there noww
a,do you see.have seen
b have you seen.saw
c do you see.saw
d did you see.have seen
选哪个 为什么,

____my glasses?i can't find themI ___ them on the desk,but they're not there nowwa,do you see.have seen b have you seen.saw c do you see.saw d did you see.have seen选哪个 为什么,
b have you seen.saw
第一个空格填现在完成时,表示到现在有没有看见.第二个空格表示过去某个时间看见,故用一般过去时

b

选b。
have you seen 是问你有没有见到过我的眼镜
I saw them 是说,我刚才看见过它们,但是现在他们不在那儿了

B. 现在完成时表示 有没有做过这件事。强调经历。这里问的是有没有见到过眼镜。 根据回答,现在眼镜已经不在了。强调我在过去看见了眼镜的 看见这个动作。所以用过去时

b,第一个用现在时表示对现在的影响,影响是我找不到我的眼镜。而后面用过去时是指过去某一时间我看见了

就选B