三角形法则求合力

动词不定式前可否加逗号 不定式可以直接用在逗号后吗The glass doors have taken the place of the wooden doors at the entrence,( ) in the light during the day A to let B letting A为什么不行？A表目的 不定式前面是否可以有逗号he went to the conference room,only to find nobody there.这里是否是否可以用逗号?不定式前面是否不可以有逗号,应该改成分词形式?我只是想求证，如果没有only之类的词，是否 My brother likes eating meat 对meat提问 请帮我把这段英文翻译成中文.Love.comes.fast;You.either.risk.it;or.you.regret.it. so用在句中加不加逗号 Your father's sister is your__ His mohther‘s brother is his__ My father’s brother‘s son is my— 同时一词后要不要逗号 you used to be short ,didn't you 回答:yes,i did怎么翻译? It’s hard (study) every subject well 用所给词适当形式填空 是不是把study改成三单 用所给词的适当形式填空 1.Tom always ______ (study) hard.He is good at all the subjects.2.My father is a good_____(cook). The girl in red is my pen friend from the USA对the red提问. i'm go to meet my pen friend from the usa改错 A：go B:meet C:from if you study harder,you can improve your English.（保持原句意思）if you study harder,you can improve your English.(保持原句意思）if you study harder,you can__________ your English_________. 请问improve my English是否等于study my English better呢? I think reading English every day can improve my study.为什么要用Reading?为什么“我 I”不是主语？ Wang Fei is the boy _____ I think is the most diligent in our class 为什么选A 不是做宾语吗?Wang Fei is the boy _____ I think is the most diligent in our class.A.who B.whom C.about whom 不是作宾语吗,怎么分析这个句子? Milk quickly turns sour () it's in a fridge.A.until B.since C.as D.unless 1> Milk turn sour ___it:s in a fridge a.until b.since c.as d.will give1> Milk turn sour _____it;s in a fridge a.until b.since c.as d.will give 2>the shop assistant said she knew为什么用lived,而不用lives 3》———aloud to me while i do the Milk goes bad quickly in summer unless it is in a fridge. 目光( )( )下两个字可以填什么? 雄浑?,后面两个字填什么? 土地()() 这是个成语 后面该填哪两个字 What does he often have for lunch? 静（ ） 的夜晚 所填的两个字相同 镇定（ ）要填两个字的.不是成语，是填词语。 Mike（ ）（ not have）hamburgers for lunch. 英语翻译我的题目是童稚化趣味音箱设计,我的目的是想证实人们对童稚化的需求,并不是只有儿童对卡通玩意才感兴趣,很多成年人甚至老年人对它都是有需求的.近些年来具有童稚化趣味的产 英语翻译翻译成英文：我爸爸很幽默,几乎每天都要被他逗笑.我爸爸的脾气很好,一般不教训我,但有时我也会批评我.他很爱运动,每天晚上只要没下雨都会出去跑步,有时候会带我去打羽毛球, taste和smell的用法区别 取舍就是**后面填哪两个字比较好?如取舍就是战略,还有哪些适合的两字词语 用again造句