一个圆的周长扩大原来2倍

there are flowers反义疑问句 是在后面加 are not there 还是 are not theythis is a bird反义疑问句 书上写的是 is not it 为什么不是is not this 这句话对吗?副词可以放在动词前吗?I missed the train ,I consequently was late for work . 怎样解几何证明题 The （）man is my brother.这个单词有六个字母,第三个字母是o The( )man is my brother括号里第二个字母是0共六个字母 i know so i don't know what danger___(face).So i must get everything well填什么啊 I am going to watch the tennis( )on TV this aftemoon A.contestB.gameC.matchD.sport选什么? i ( ) sports on tv every day 空里A,see B.watch C.to see D.to watch 1.Tom got an "A" in the test.So did Simon（保持原句意思）Tom got an "A" in the test_____ ______ ______ Simon.2.The boy is too young .He can"t go to school now.(连成一句)The boy is _____ young _____ go to school now. 改同义句:Peter failed the maths testv the day are long and filled with pain 的汉语歌词 篮球规则介绍英语版本求大神帮助谁知道篮球规则,必须有英语注解 jim a new dress every month when she was in shanghai A buys B bought what possible harm is smoking likely to do? sound like fun to you 后面的fun 为什么不加ing 请具体说明一下 最好有几个例句 答好的加40分 You gave me love and moved,I\'ve been counting. chef和cook的区别?请不要复制词典的解释! cook 和chef有什么区别? COOK可以当厨师讲吗 was,the,bookcase,on,theCD(.)连词成句 The CD walkman on the table is from my parents翻译 发音规则背了以后为什么在读陌生单词规则总是记不住还是读不出来应该怎么办呢 a（m+n）-b(m+n)(a+b)(a-b)-(b+a)m(a-3)-n(3-a)x(x-y)+y(y-x) We all look forward to the day when we die. 什么意思 英语怎么说啊：我有空时经常帮我妈妈做饭help后的cook用COOK还是cooking? cooking这个英文单词是什么意思 当cook和cooking都做名词,意思都是烹饪时,有什么区别? 用所给单词的正确形式填空.1:Grandma is (cooking)[cook]fish.2:I like (swimming)[swim]in the sea.3:My aunt can (singing)[sing]well.Listen!She is (sing)[sing]4:Linda usually (dancing)[dance]in the morning.Now she is (dance)[dance]回答对吗 1The old man always______so he likes to be with him.2He_____ in fact he is the best cen—tre of NBA .3lf you____,you must know the popstar pan weipo 有关读书的彦语好景不长 你有没有语法错误,请帮我检查一下,求求你们了.