鞍部和山谷的区别

这句话为什么要用过去完成时态He had had some recurring dreams.请问这句话为什么要用过去完成时?为什么不能说he had some recurring dreams.我把前后文贴出来大家看.（第二段的第一句就是这句） 之前 We do not deliberately look to care about others, just ahead of self. Step by step and you die 这是最后几个 望各高手解答 六年级下册小小辩论会,我是正方,要说读书的好处,帮帮忙啦~~急死了!我是正反,好处当然百度上都有,但如果反方说其他不健康的书,我们该怎么说除了回答这个,在说些读书的好处,谢谢啦~~ 商务英语(会展方向)是什么 商务英语和应用英语以后的就业方向是什么?哪个学了有用啊? 英语动词过去完成时态应用 firm company 都有"公司"的意思但是有什么不同吗 company 和corporation 都有公司意思,有什么区别?company 和corporation 有个相同的意思就是 "公司"他们具体指哪种类型的公司? 英语：A recent weibo r_____ that a young girl in Hubei was killed. company与Corporation区别在什么地方美国广播公司用company；而英国广播公司则用corporation.二者在内涵上有什么区别呢? museum are often full of interesting and beautiful things.翻译 my grandmother's garden is____beautiful flowers. A fill of B full of C fill with D full with He often takes p_ of interesting places把‘—’填起来,帮帮忙啊,谢谢啦O(∩_∩)O he often makes interesting things _____painting.a:for b:by c:of d:at 我会注视你的 用英语怎么说RT "只看着我"用英语怎么说 There are filled with flowers的意思是什么 nside each cell are filled with thoughts .什么意思? The days are long and filled with pain the main streets are filled with.这里filled加ED是什么句型,我忘了. The Days Are Long and Filled With Pain 的歌词 bookcase on was the the cd walkman 联词成句 动物彦语 将was the bookcase on cd walkman 联词成句 关于彦语 this is a photo ___ kangkang's family .the young man ____ green is his uncle .the young woman ___yellow is his aunt .they have a daughter .the young woman in red and the young man __ black are his parents .kangkang is ___ the sofa .they look very hap I'm babysitting my sister at home this Saturday.改同义句I'm _____ ______ my sister at home this Saturday.I'm _____ _____ ______ my sister at home this Saturday. corporation 与company的区别是什么?还是有什么特定的用法? company、corporation、incorporation有何区别? 英语中『company』与『corporation』有什么区别? do you like _______ A something sweet B anything sweet 请说出几句英语彦语及翻译