验证电磁波的存在

-()some more people to do the work?-Yes,l think we do.A.Do we need to ask for .B.Need we do ask for.C.Do we need ask for为什么选择A谢谢 It takes me ten minutes to walk to that school.这里第一个to是什么意思 Two more people are needed ___(do)the work He managed to finish the work in time中的 managed to finish做谓语行吗 还是只是managed做谓语 he managed to finish the work 其中 to finish the work 在句子中是什么成分? It____(rain) heavily last night was it rain heavily last night改错 Sadly,people are keeping _ (change) the wetlands _( build) more farms and buildings.We should do wtat we can ——（prevent）the weather ——（get）hotter and hotter What change would make your hometown more appealing to people your age?和What change would make your hometown more appealing to people of your age?多了一个OF,意思一样么?具体中文意思是啥? 英语翻译keep their cholesterol under control or eat less fat. It takes me three hours to clean my hours.应该是画线部分提问吧,题目没有说清楚three hours 是画线部分来的 8.The workers had the machines （run） all night long to finish the work on time.The workers had the machines runing all night long to finish the work on time.此句中为什么用running,而不用ran为什么不能用run,如果run用work代替,那 Is it time for the workers to go to work or to go home? It ___the workers 3 weeks to finish the work.A.spent B.paies C.cost D.took并说明为什么。 The girl is writing a letter in the classroom .（划线提问）划线的是 is writing a letter________ the girl ____________ in the classroom? there （ ）a lot of rain here last month 英语所有表示举例的单词或词组如（for example,such as,like,namely,that is,as)等的各自的区别请把这些单词或词组一一罗列（谢谢了） 什么词和for example;such as;that is;namely;like 意思相近 有没有好方法,快速记单词快速! I am more than willing to help.RT.翻译这个句子成汉语. Winners are simply people who are willing to work more than losers.simply不是副词吗,为什么这里用simlpy而不用simple?急~~~求解释~~~感谢~~~~~~~~ writing my a letter brother brother is( . )连词成句? writing my a letter brother is请把它们组成一个句子, cher writing is a yes letter连词成句 writing,grandma,the,study,is,a,in,letter(.)连词成句 含有/i/音的字母 What an intelligent girl she is?怎么翻译 small.new反义词.let’s.don’t完整.she宾格.what is缩略.a pretty girl意思 the girl left her home after her father came back=the girl __ __her home __her father came back Annie came home(at about 8:00 yesterday）对打括号地点提问 ____ _______ Annie_____home. With all the books she liked _____,the girl went home happily.选项是 A：bought B：buying C：to buy D：being bought leave sb.home还是leave sb at home?为什么?如果把HOME改成其他的地点名词呢?