椭圆滤波器设计

wasn't和didn't的用法He didn't buy the book和he wasn't buying the book 有这么说的吗? wish和hope的用法.凡是句子用wish作主句的谓语动词,从句一般向后推一时态.最好有例句表明其用法. wish与hope的用法各位前辈,请问这题用哪个I_______all of you good luck in your studies!（wish/hope)我觉得这一题有点像wish还有祝愿的意思，常用于祝福语中。这时用真实语气 i wish you a merry christmas. he wish wasn't 和didn't怎么用例如：Tom wasn't watch TV last night .为什么要把wasn't改为didn't呢? 成考题：23.There used to be a coffee shop next to your house,_ wasn't there?还是 Didn't there?求正解和原因,因为新旧两版本教材答案不一样, hope wish用法Let' ________ you a long life.是填wish还是hope,为什么?Let's ________ you a long life. I am dancing.改为一般疑问句 This book is ___ more difficult for the students in Grade One.A:rather B:quite C:too D:very为什么是选A? I am dancing.改为否定句 i am the motherfucking dancing 华丽丽的被掂对了什么意思 华丽丽的摔了一跤里面华丽丽是什么意思啊 帮解释几句英语加油加油!你未来的路肯定很辉煌.我支持你怎么说英语? “华丽丽”是什么意思啊? 解释几句英文1.what was I tninking2.not you Average Thug 3.can you feel my world4.feel me5.forever love6.twinkle7.need you 是不是不定式自己可以带宾语和状语吖 我们是不是要把不定式与它的宾语 状语 看作整体在句子中充当主语表语吖 ...不定式可以带宾语 状语 那可以带宾语补足语吗 怎么区分动词不定式是做状语还是宾补啊?例如：you son asked you to come home to have dinner.第一个动词不定式是宾补,第二个就是目的状语.这是为什么啊?还有he invited me to attend his birthday part.这里的 fun 是什么词性It is gueat fun 中great fun 可以用interesting代替吗 请问fun 的词性请教Taking a bike is a lot more fun than taking a bus.这里的fun 是名词还是形容词,再有fun的形容词的比较级如何构成? it is much fun for children里面的much和fun分别是什么词性 dress sb up与dress up sb哪个对?为什么? 讨论意见、热血沸腾、沟通思想,这三个词语的搭配都是正确的吗 he watches tv in the evening改为否定句 jessica watches tv in the evening.改成 否定句 The children are reading (a book about a farm)对划线部分提问 He is reading a book.(对划线部分提问）reading a book划得线. Mark is reading a book in his bedroom.(对划线部分提问) （reading a book）是划线部分 dress oneself是什么意思? 中国的网络万里长城是什么意思 classroom,in,the,reading,are,English,the,students（连词成句,连成问句） The students are in the library 的问句 I don't know where I am going, but I am on my way.请人翻译