Ever since Bob______a little child ,he _____afraid of dark.A.was;has been B.has been.was C.was;was D has been;has been为什么答案是选A?为什么不选B?去解析

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Ever since Bob______a little child ,he _____afraid of dark.A.was;has been B.has been.was C.was;was D has been;has been为什么答案是选A?为什么不选B?去解析
Ever since Bob______a little child ,he _____afraid of dark.
A.was;has been B.has been.was C.was;was D has been;has been
为什么答案是选A?
为什么不选B?
去解析

Ever since Bob______a little child ,he _____afraid of dark.A.was;has been B.has been.was C.was;was D has been;has been为什么答案是选A?为什么不选B?去解析
ever since 后的句子要用一般过去时,这个词常与现在完成时连用,所以正确的是A

A. was, has been
that's just how i say it
has been = 一直就

since 后面要接的时代比he _____afraid of dark这句的时态要早。
一般情况下，在现在完成时中，since后面要接一个过去的时代，或者时间状语

ever since ever since,ever after 翻译：ever since then ever since then EVER SINCE THE WORLD EVER SINCE EVE怎么样 ever since 的用法ever since 和什么时态连用? ever since 造句 persuade造句 ever since用于什么时态? ever since time began 歌词 ever since和since有什么区别,怎么用? since then 与since ever有什么区别? ever since的意思,与since有区别吗 since then 与since ever有什么区别? 翻译 Ever since I graduated from university ever since 是不是要与过去完成时连用 ever since在英语中怎么用法 ever since 是一个词组吗?