新概念第二册53课的问题,麻烦懂得人进来帮个忙,小辈感激不尽!由于刚申请的号,财富没有了!
Thesnakethenwounditselfroundthewires.Whenitdidso,itsentsparksdowntothegroundandtheseimmediatelystartedafire.这里面的两个it分别是什么?these指什么?
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Theywerealsoquitesurethatacigaretteenddidnotstartthefire.Thismorning,however,afiremenaccidentallydiscoveredthecause.还有为什么会出现afiremen,firemen不是复数名词吗?