我的理想作文作业帮

这个which后面有没有逗号?the primary role of government which is to protect its citizens 因逗号误判which(1) If a book is in English,_____ means slow progress for you.A.as B.which C.what D.that(2) When I say two hours,_____ includes time for eating.A.as B.which C.what D.that两道题都选D,我就不懂为啥不用which呢? 动物每天吃什么? do you like math? no,it's __ difficult for me to learn it. 有时候逗号后是in which 有时是in what,但如果前面是介词只能用what么?这怎么看句子成分?怎么看用 which 还是 what那OF WHICH OF WHAT呢? in which 前面可以加逗号么?这句话用in which还是where好?The program first drew my eyes in the 2010 rankings published by US News and World Report,in which it was ranked 4th in graduate programs in the nation.用in which还是where好? If I had a lot of money,I'd travel all over the world,because I( )to achieve my dream.A.want B.wanted 填哪个 请说原因 《再见了,亲人》 续写300字 the math problem is _____ difficult for me ____ solve在变2个同义句 I thank math is a Iitte difficult for me （改为同义句） 求帮忙去一个有关wu琮琪名字的男生英文名,最好带有谐音的!急用! Holl Wu这个英文名怎么样,可以这样起吗,我本名叫wu hao 能不能帮忙取个英文名,最好是谐音,听起来顺口书写漂亮的.wu xing tao 英语语法：Someone has been here.为什么不是in hereSomeone has been in my office.这里为什么又要有in? 英语语法：Solitude can be hard to discover _____it has been given up.A. though B. until C. once D. before选哪个,为什么? 初中英语语法has been和had been的区别 岳飞和戚继光对中华的最大贡献是什么 岳飞李成梁戚继光这三人各有什么特点?岳飞与李戚二人相比,有什么优点和缺点? 岳飞的英雄事迹 岳飞和戚继光有什么相同点与不同点 My dream is （ ）around the worldMy dream is （ ）around the world 用travel填空 民族英雄戚继光的名言是 民族英雄戚继光的历史主要是关于戚继光效力的一篇小短文,不要多也不要太少,大概100多左右的字吧!急 快 为什么说戚继光是我国的民族英雄 为什么说戚继光是我国古代的民族英雄? 是my dream is traving around the world when i grow up?对,还是my dream is to trave around thearound the world when i grow up?对 i really miss you,but i really miss you.这句话可以翻译成我真的很想你,但我确实失去了你吗?如何改的更好? 英语谦虚谦虚~我要谦虚啊被夸得不谦虚不行了!再不谦虚我要死了对方老外实在把我夸得太伟大了,就一句谢谢我自己心里都过意不去啊!我是想谦虚,又不敢谦虚,听说老外不懂谦虚,可是不谦虚 谦虚用英文怎么说? 我希望我爸爸来接我.（TRANSLATE TO ENGLISH） 我们必须谦虚的英文是什么? 抗日战争英雄事迹（著名的,要简洁50字左右）著名的,无人不知,无人不晓的要简洁50字左右