sp3d2杂化的空间构型

you need to eat more food and have three meals a day.And do some exercises every day.该错误 do you need more time to finish the work?yes,another ten days____enough.A are B is C were D was in the time、at the time和on the time 有什么区别? in the time on the time at the time 有什么区别 in the acient time和at one time区别那如果只说一个时候的人.怎样 怎么用 at the moment ,in time,和on time有什么区别 I need more $$$$$.. at times 表有时,in/on a time表一个时间,time不是不可数名词吗为什么加s和a,还是说固定就是这样的? in the day time &at times他们有什么区别? 前排的乘客的英语怎么说 at a time at one time.at times.分别是什么忆昔 我是初一的学生,小女生,英语也还好,就是数学不好,现在就是老师上课讲的基本的会,看下面就是有些难题攻克不了,就是很慢很慢,因为我分在重点班,数学拉分【难卷子】每次数学简单的卷子 如何帮助提升初一小孩的数学成绩? 数学趣味 初一去年暑假,小明共有几天住在外婆家,这期间的天气是时晴时雨,具体来说：1.上午或下午下雨的情况有7次2.凡是下午下雨的那天上午总是晴天3.有5个下午是晴天4.有6个上午是晴天 选择题she_somevegetables.a.need b.needs 急求This toy bear _ be Jane’s.She’s the only kid at the picnic.A.must B.can C.need D.have to need作动词 必须时 有没有第三人称单复数needs 如She needs a coat Shneed作动词 必须时 有没有第三人称单复数needs如She needs a coat She need a coat She refused to answer any questions.She did not ask any questions.如何用not only…but…either连接 time后接when that什么时候接when 什么时候接that 最好举例 During the time that he was away,she was sad.书上的句子,但我觉得应该用when代替that,我觉得应该用关副而不是关代，时间概念作副词呀 When与What time用法与区别 She looks tired and ___ have a rest.A.need to B.needs to C.needs D.does to need She is too t______ and she need to have a rest.这个空填什么? He is very tired and he _____ to have a good rest.A.need B.needs C.needed she need to have a good rest(否定句） if you are tired,you need to r_yourself first.she plans_(have) a trip in wuhan. What else may she______to buy for making a cake?A.need B.needs C.has D.does请说明理由 以辅音字母+结尾的单词是什么? 2008年北京奥运会我国的金牌数目是多少 背诵英语课文有什么好处 I don't think she [needs] to drink lots of water.为什么need后要加s 天天背英语课文的好处是什么?