两个氧原子化学符号

反义疑问句、He has many friends 、——?怎么回答? 明天就交了!详细一点那里有图和该写什么全告诉我告诉一个也行 Tom has many friends,But he has ____ good friends（选择题）Tom has many friends,But he has ____ good friendsA.little B.few C.a little D.a few It is\has been+时间段+since+一般过去式=时间段+（）+since+一般过去式 It is +一段时间+since+从句 和 beforeIt is +一段时间+since(before)+从句 since 和before 有什么区别吗 it is + 一段时间 +since 和 it is + 一段时间 + before的区别 英语从句里It is/was...后面用since或before究竟有什么区别?不太清楚!麻烦说得详细点.还是不太明白，仅仅是从意思上来辨别吗？那很多选择题两个选项都有，到底这样的题目有什么特征？ there is going to be a sport meet in our school_____next week.A.sometimes.B.some time.C.some times.D.sometime and _ we lost our way.填空 A:sometimes B:sometime c:some time d:some times 大一生入学英文自我介绍怎么写? 谁有毛泽东的生平简介啊,英文的谢谢 英语翻译重点是take into account the fact It is +一段时间+ since后面加什么时态?我觉得时一般过去时,可老师非说是完成时.这题：It was ten years since I————————a good drink.应该填enjoyed还是had enjoyed?（答案是后者） It is +一段时间+ since【用的是什么时态?】 It is+since+ 句型的问题如题 我用两个例子来引出我的问题：It is 5 years since I lived there.It is 5 years since I left there.这两句话所表述的是同一个意思：我离开那里5年了.第一句中为什么会那样翻译? 越来越美丽的英文可以说成more or more beautiful吗? it is…… since……句型中is 可用was ,has been替代吗? 珍爱人生英文简介有没有谁有珍爱人生（Precious）的英文简介（最好是有中文翻译）最好短一点的.. 墨索里尼一生简介 英文 人生简历怎么写 I hear some ——(foreign) will visit our school next week Some foreign_____(visit) from England came to our school last week. Gain is my good friend.改为一般疑问句 He is my good friend足球 YOU CANNOT PLEASE ALL THE PEOPLE ALL THE TIME?怎么翻译? you cannot please all the people all the time one cannot please all people all the it is time for class 也可以说 it is time to class吗? 介词可以互换? some time 的前面加介词for吗?一道英语选择题：Jerry went to visit her best friend__yesterdaySOMETIMES 有时 SOME TIME 一段时间 SOME TIMES 几次 SOMETIME某个时候选哪一个?如果是SOME TIME 一段时间,前面加for吗? It,s time( )have our Engglish class.填上副词或介词 翻译“李美女”应该用“beautiful li”还是“beauty li”还是其他的什么 翻译 I live in a house with a beautiful garden in front of it.