德国人的英文复数

many changes have taken place in my hometown.为什么是主谓结构,谓语是have 还是 have taken place Many changes have taken places in my hometown in r___（近来的）years There have been many changes__in my hometown in the last ten years.A..happen B.happened C.happening D.to happen选哪个?为什么 十进制数57.2转八进制是多少 把40+12+18与15+30+49中两个数交换,可使两式子相等.①40与15 ②12与40 ③18与30那个答案是对的. 五年级下册第七单元数学试卷今年爷爷的年龄（小于100岁）是孙子的6倍,过了几年后,爷爷年龄是孙子的5倍,又过了几年,爷爷的年龄是孙子的4倍.那么爷爷今年是多少岁? 英语四级怎么考?有经验的朋友介绍下! 有英语四级考过六百分的吗?希望介绍一下经验 英语成绩太差 马上又要考四级了 有方法经验传授的嘛 There have been many changes in this place.这句中为什么用have?主语是什么?用have的决定因素是什么 There have been many change in Beijing.(同义句）Many changes ____ ____ ____in Beijing.急 there have been many changes in ______（recently）years请解析 为什么要用形容词 There have been many changes in this city in r___ yearsMr black finds it s____that his daughter doesn't want to travelDon't be a___.We will stay with youWater World attracts many v___ every yearI didn't mean it.I was just___(kid)Jim's parents were ve the,with,I,long,like,woman,hair,blonde 连词成句 2x+3×09=24.7怎么解 24-2x=3怎么解 3分之2X-3分之1X=24分之7怎么解 语文书上五年级园地6漫画父与子作文怎么写?开头，结尾最好好一点 根号(1-2sin40°cos40°)/ (cos40°-根号1-sin^2 50°) 全部根号1-2sin40°cos40° ( ) the women with long hair your mother（）the baby?怎么填什么?A:What's that over there?B:___?A:On the bed B:It's a skirt.A:__skirt is it__?Is it__,Wei Hua?B:No,it's not__.I think__Meimei's.A:Is it new or old?B:It's new.A:___ ___is it B:It's 化简：根号下1-2sin40°*cos40°/cos40°- 根号下1-sin^2 50° ( )man is your father?The one ( )black.A whoes;with B whose ;in C which ;in 6.— What ______ your cousin ______?— She is a bit thin with long black hair.6.— What ______ your cousin ______?— She is a bit thin with long black hair.A.is,look like B.does,like C.is,like D.does,be like7.Class begins.Stop _____ and ______ to 五年级下册语文书园地1作文怎么写 我的英语四级听力答对20题（连填空句子）,快速阅读8题,填词2,仔细阅读2,完形对8个,句子部分正确.请那离及格的边缘远吗？ 数学上是怎样定义"任意"这个词的? 化简根号1-2sin40°cos40°/cos40°-根号1-2sina^2 The man with long hair is Newton.对划线部分提问 划线部分是 with long hair She is a pretty lady __________ long hair A.at B.for C.with D.of countries和country的区别 有一道题there are many 《counties》in the world为什么要填书名号里的那个词? How many countries are there in the