球面镜成像公式

Mary sits on the chair.（对划线部分提问)划sits on the chair it was clever ______you _________ this question .A.of ; to answer B.for ; to answer C.of ; answer D.for ; answer . I can see (eight) birds in the tree.(画线部分提问） I can see（ eight） trains 对画线部分提问 eight的提问 If the world doesn't allow you to dream,move to one where you can.的准确意思是什么? Let him that would move the world,first move himself.如题,要想改变世界,先要改变自己?那如果翻译正确的?那为什么用him Not to the next trend for shaking —— but to move the world sensuality in a volatile world中文意思是? 有关sleep的各种单词 This bookmark is for jack改成一般疑问句 this is my tiger变疑问句,否定句,并回答 有英语好的人吗?你是怎么学英语的呢? fill in和fill out有什么区别? 舒克贝塔传主要内容 Three boys are swimming.这句错在哪里? which three words are in the picture? hair -----Would you let your son dye his hair? -----I think ,in the end ,I would .But not without a figh-----Would you let your son dye his hair?-----I think ,in the end ,I would .But not without a fight这里 not without a fight 是设么意思? 互否命题真假相反么? 第二小题 Where were you before you came here?I___(stay) in the UK for half a year. ___came that we had to stay where we were.A.words B.the wors C.word D.the word哪一个,为什么?请赐教. When do they leave? When do they leave是特殊疑问句吗 键盘上的sleep是什么意思 迅雷云播放器宣传片的英文歌曲是什么啊?没人知道啊 麻烦哪位大侠知道啊 那歌真的很好听啊 就是教我们怎么使用迅雷云播的宣传片背景音乐啊 谁知道这首英文歌http://player.56.com/v_32708670.swf Where were you an hour ago?它是神马意思?并回答出它的英文回答,也翻译一下中文、求各位姐们、哥们!19点之前啊. Has Grandmother got used____in the city?A.live BHas Grandmother got used____in the city?A.live B.to living C.to live D.lived [They stayed up all night singing and dancing.]They stayed up all night singing and dancing.他们整晚都在唱歌和跳舞.请问这里的sing和dance,为什么要用分词形式?这时是现在分词还是动名词?如果我改成动词原形的 i used to live near the park的同义句2.why not have lunch at school today?3.shenzhen is famous for its electronic products.4.the children enjoyed themselves on the beach5.my parents went to france by plane last month.6.where can i shop for for for