A seal showed its head above the water ___ the ferry started. A.because B.since C.while D.as答案是B,为什么?
回复(5) 2008-07-22 20:17 来自版块 - 
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teachershuang好滴,明天给你整理。(2008-07-24 22:34)
youlanyu我一开始没想到是考的这几个词作因为讲的用法区别。现在知道了,如果再叫我选的话,AC我绝对不会选。我就觉得since和as的差别太小,我以前就经常分不清。 老师,还是你把because,since,as,for这几个词作因为讲时的用法及区别给我们整理一下吧,用个大标题整理一下,也...(2008-07-24 20:05)
teachershuangsince的用法,解答幽姐姐 一、若since引导的状语从句的谓语动词是终止性的过去时,则从句表示的时间是“从动作开始的那一时刻起”。如: He has studied very hard since he came to our school.自从他来到我们学校,他学...(2008-07-24 19:06)
teachershuang原帖由 youlanyu 于 2008-7-22 20:17 发表 [图片] A seal showed its head above the water ___ the ferry started. A.because B.since C.while D.as 答案是B...(2008-07-24 17:49)
bailongcan还是等敬爱的双儿老师吧!让姐姐失望了,哎(2008-07-23 08:32)

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