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_____ _____ _____(不容易)to keep our environment.we____ ____(必须)do our best to protect our AREA和PLACE的区别 land area ground room区别 声音的种类都有哪些? 列举各种类型的形声字各3个,如上形下声 thanks to her ,her __(improve)the environment of our city recentlyrecentiy是现在完成时的标志 （）wild animals is bad for the environment of our planet.填空 氨基酸蛋白粉对增肌效果大吗? 氨基酸蛋白质粉吃了会不会长肌肉,加... room.space.place的区别 that's our (tradition) food food fried not is for good health our怎样成句?如题 谢谢了 可达到完全重现原始声音效果的音频种类是什么?A.MP3 B.WAV C.MIDI音频 D.CD-DA 那个正确?为什么? The car was too expensive,_____,he bought it for his wife at lastA.finally B.but C.and D.however everyone standing by her came to stand next to me 请问为什么stand要加ing He puts his ( )and ruler on me and puts his ( )under me.the( )stand next to me and the.答案有chair,tick,table,pens,women,children,cllock,bag.哪个是第一个 第二个第三个 finally he accepted my _ (suggest) and he won the game. 一道英语单选!he stand （next to ）the table but he did not hlep him A nearby B next to为什么这里面不能用A哪 答案说　这里面缺少的是介词　那A是副词不也可以么　　副词修饰动词　求赐教! 求一篇volunteering 大学作文要求1． 越来越多的人从事志愿工作 2． 志愿工作对需要帮助的人和社会都有利,对志愿者本身也有好处 3． 我认为…… 字数:100~500最好有中文翻译, 以what benefits can music bring us 为题写一篇不少于80词的短文. When Linda finally saw Davy ,he(跳)and(跑)with another dog. i have one ()question for you "who play drums will the"连词成句 急求一篇英语作文：Benefits of sports1、生命在于运动,每个人都有喜欢的体育运动,你最喜欢的是······2、体育运动给你带来的好处3、我参加体育运动的体会 can,Ella,play,sister,and,drums,the,her 连词成句 been lonely since the the benefits of automobiles 是什么意思 The book ____the lost and Found is her.A.of B.in C.on the benefits of things to like what's the benefits of bioengineering但要概括全面用英文回答 诗人光未然为什么要写《黄河大合唱》的歌词 为什么光未然写《黄河大合唱》的歌词