英语翻译She dropped（drop）the tray when I spoke（speak）to her

英语翻译She dropped（drop）the tray when I spoke（speak）to her she dropped some lemon juice into her tea.为什么不用drop,而用dropped drop / dropped是什么意思 she was tired and badly ____(drop) herself into sofa ..这里为什么用dropped ,而不是to drop.还有这一类的. 新概念二 过去时态she_____(drop) the tray when I_____(speak) to her.用过去进行时或一般过去时填空.She dropped the tray when I was speaking to her.She dropped the tray when I spoke to her. she-----(drop)the tray when I -------(speak)to her用括号里单词的正确形式填空答案是dropped spoke为两个都用过去式呀, She ____(drop) the tray when I ____(speak) to her dropped spoke为什么后面用的是spoke而不是was speaking Big drop of cold water dropped down on to the 英语翻译On Friday,the dollar dropped against major currencies,which limited the drop of the new front-month contract这句话怎么翻? drop by 和drop at 有什么区别?I dropped by my friend's house yesterday.可不可以用dropped at I THINK I __(DROP) IT DURING THE CONCERT.中为什么填DROPPED不是WILL DROP 英语翻译15、It is the best ______ I have seen.a.whob.whomc.thatd.which16、My wallet is nowhere to be found.I ____ in the store.a.should have dropped itb.must drop itc.must have dropped itd.ought to have dropped it17、The young lady coming over 英语翻译drop offdrop in drop downdropping off She dropped（drop）the tray when I spoke（speak）to her这里的when从句是主句的时间点吗?这里的spoke是短暂性动词? She even told me drop dropped dropped She ____(drop) the tray when I ____(speak) to her答案dropped,spoke 抱歉,那个时候用手机说得不太清楚前者用dropped那么后面when引导的为什么不是用was speaking而是用spoke呢