向200mL0.5mol/LAl2(SO4)3溶液中，加入350mL2mol/LNaOH溶液，充分反

有人去图书馆吗? 英语怎么说 will somebody go to the library ?对吗? ____ go to clean the library,shall we我们去打扫图书馆, 根据汉语完成句子：他们一周去图书馆一次或者两次 They go to the library( )( )( ）（ ） （ ) ( )29.Do your homework everyone.You must ______ after class.A.hand it in B.hand in it C.hand them in D.hand in them选哪个?为什么,理由 英语翻译 weigh的过去式是什么 英语翻译 weigh的过去式 两分钟内 英语翻译 从你家到图书馆有很长一段路吗?翻译英文（）it()()()()your ome to the library? 英语翻译：图书馆应该保持干净The library___ ___ ___ clean. 怎样在origin里将图加全框 黑框白里是什么成语 别人制作好的边框,说喜欢的可以拿去,放在日记里我咋才能用上? 翻译并分析结构As children get older the number of books they enjoy grows and there are some amazing classic tales for children aged 4 to 7 like Bernard's Not now ,and Jill murphy's The Worst Witch.These stories will help encourage early reader Helen is not very busy these days,so she _____(may)come today 她整整写了一天的作业.（all day） 箱子里全都是报纸和杂志.（full of）翻译句子 But for the snow,we ___ earlier.A will arrive B should have arrived C arrived D arrive It is required that we _____at six.A.will arrive B.arrived C.arrive D.would arrive请问C项中should省略为什么不行 Maria has to baby-sit.That's why she can't come out with usThat's why she can't come out with us is 后面是表语从句 还是原因状语从句 they come with a brush and sit in a row There is no best,only better是什么意思 His mother is busy doing the housework 的同义句 There is never the best,only My father is busy(),He()finish his work before lunch No best ,Only better. Carol is an a--- girl,she can make many things!短线代表缺的字母,以a开头 they will be arriving here tomorrow arrive已经是动词了 为什么will 后要加be呢 They will be arriving here tomorrow.这句话可不可以改一下,They will be arriving here tomorrow.改成下面这样 ,They will arrive here tomorrow.请帮忙看看这两句话的差别有多大我觉得这里的将来进行时和一般将来时 同义句转换：He is busy doing the housswork.He＿ ＿ ＿the housework He is busy at work.能否改为he is busy working who's got my money.i ___________A doB haveC amD got