磁粉制动器的作用

Lily with her parents_______ the Greener China since two years ago.A.have joined B.has joinedC.has been in D.have been in为什么不用B,has joined? 《狼图腾》读书笔记600字! He _____ Greener China since last month.a.join b.have joined 狼图腾 读书笔记 急需一篇《奥运在我心中》的作文,散文或诗歌深切的表达奥运精神励志人生的愿望 描写灾难的句子紧急!紧急!紧急!紧急!紧急!紧急!紧急!紧急!紧急!紧急!紧急!紧急!紧急!紧急! 描写战争灾难的句子 有这样一句话:There are twenty more trees to be planted.那么这一句呢:There are twenty more trees for us______(plant).空格处是填to be planted 还是 to plant? If more trees are planted,our city will be more beautiful.为什么用are 过去式planted 1,thirty more trees will be planted around the lake .A another thirty B more than thirtythirty more 应该跟A,B哪个等, .Shall we play football?__________ 后面填什么 A .Yes,sir.B Good idea.C Me,too. ---Shall we play football --- .A.Yes ,sir B.Good idea C.Me ,too dogs are easy to take care （of）.有没有of 有哪些练钢笔字用的文章?例如：散文,古诗文,以及现代诗. 赞美组国高山峻岭的散文、诗词或现代诗标题最好是两个字的 The people have grown a lot of _______(tomato) 用适当形式填空 China will be stronger and more powerful in 20 year's time.stronger and more powerful 划线提问___will china be___in 20 year's time? 什么古诗适用于钢笔字谢谢!复制的别来! What's a secret for an English woman? 英语翻译翻译成汉语 如果可以请回答一下 Tom is the only one of those foreigners who is working in China.这句话有错吗?有"the only"的句子关系词只能用that不能用who吧?但我们试卷上就是这么写的. safety_(反义词) I Am Only One 歌词 适合写钢笔字的诗词或短文,大约不到三百字,急呀,希望知情者帮忙!冰心、叶圣陶的优美散文、精悍的小短文也行啊, What good health the old woman is in!怎么翻译? 英语翻译:当我们一天一天长大的时候,父母也一天天变老.我们有一天也会体会到养育子女的辛苦. what can tourists get form traveling?三一六级! What can we get From traveling?400字英语作文~400字英语作文.本人还要写另外的4篇,所以这篇作弊下. 用动词不定式句子改成简单句They spent more than 10 years building the palace 歌词boy i am i am only human是哪一首英文歌 Since last Saturday the workers have done what they could ____(make)the city more beautiful. Divingl is the most difficult activity of all同义句Diving is ___________________