limx-0sin2x/sin3x

请问,It is essential to know what you can talk about with different people. people is limited for expression their opinion in some country 有语法错误么?谢谢! 请问INFINITE在ONE GREAT STEP里的曲目都有什么?还要顺序哈,如题 sleep的ing形式怎么写 dorp 的ing形式双写p不 Even while we sleep的sleep为什么不用加ing? she is pleased with ____ you have given him and ___ you have told hima.which; which b.that; that c.what; all that为什么选C,第一个空应该是介词+宾语成分啊?第2个空也是做宾语的吧?怎么分析这题? She is pleased with what you have given him and __you have told him 答案是all that为什么不是that? She is pleased with what you have given him and __you have told him A that Bwhich Call what Dall为什么不能选A He traveled around the world by oneself who had many diffculties and dangers.这句话有没有问题要表达的意思是：他独自环球旅行,遇到了许多困难与阻碍.这句英文翻译的对吗?如果不对,哪里错了（我想问一下 what are i talk __a nice girl A:How B:What C:Where the name for people from your country翻译啊！！ She was still only half __(wake) when I brought her a cup of coffee hill no edge ,of heaven,and the king must dare to 用6个频率副词造句 最近看电影,里面有一句“baby is sleep”弄不太懂,按理说sleep不应该用ING形式吗?前段时间还看到个类似的,“he is not change”,这里的change为什么是原形? Money can buy many things but it can't buy e_____ 英语的语法知识23和24题：17题26题Every means 如何翻译The nature of communications I could __understand what this book talk about A usually B formely C scarcely D virtually People can talk about what they can see and do there.请问把what换成which可以吗?为什么? 英语翻译这是一道关于听音乐写作文,有一个题目要求中出现的词组,我不太清楚这是什么意思,原文是：Also discuss the experimental nature of the work.How was it experimental?关键还是在，experimental nature 怎 He seems to be sleeping,为什么有个be?sleep为什么加ing? He seems to be sleeping,为什么有个be?sleep为什么加ing? 后面的怎么翻译怎么前面是I后面就变成you了,为什么选D A. A sleep B.To sleep C.To be sleep D.SleepingI did it again.I slpet until noon.——through the alarm seems to be your biggest problem. He is ＿＿＿＿（睡觉）,是应该填“sleep”还是写“sleeping”呢?为什么? The shop __(sell)school things.We can ___ (go)shopping there.急用! You can see _____ school things in that store. They always sell school things ___a very low price in that shop .Let's go there.Ain Bfor Cat Don You can by school things _____that shop.A.on B.from C.of D./选词填空.希望能说明原因. 关于英语的一些语法知识?