studying,studing,study中,study的过去分词,现在分词,动名词是什么?单三式呢我搞不清楚啥时候不用去“y”.

studying还是studing?最好有理由 ______ hard is our work. A.Study B.Studies C.Studying D.Studing keep learning 与keep studying 的区别有keep studing 这种用法吗? I want to find a boy as a studying friend who is self-studing E We have been studying and living together for over four years.这话对么?studying 要不要改成learning 还有 study的进行时是studying还是studing be good at studying 中的studing用原形study还是studying.因为study本身也有名词性,我用的原形,老师给我加了ing, STU*fun(STU a[],int studying,studing,study中,study的过去分词,现在分词,动名词是什么?单三式呢我搞不清楚啥时候不用去“y”. david is a student at new york university for a degree in computer scienceA studied B studying C to have studied D to be studing 一道SAT句子提升Economics is (when you study) the production,distribution,and consumption of goods and services.A.B.your studying ofC.doing a studing onD.the study of I wasthat there were about 50 foreign told students__Chinese in the school,most__were from GermanyA.study;of whom B.study;of them C.studying;of them D.studing;of whom谢谢了．．． Daming,with Sam and I______in the same school.A.study B.studying C.studys D.studing还有一题：I like______books aftr supper.A.going shoping B.go shopping C.going shopping D.go to shopping i am studing scanf(%s,stu[i]. scanf(%f%f%f%f,&stu->score[0],&stu->score[1],&stu->score[2],&stu->score[3]是什么意思 _________Sunday,the students are at home.A.Being B.To be C.It is D.It being- Do you have any idea waht Tom does all day?-As I konw,he spends at least as much time playing as he_____.A.sudies B.does studing C.studying D.does study.Ten minutes earlier_ (A)nature reserves (A)us learn more about protecting animals.A.studing,helps B.studies,to help C.study,helping D.studying,help为什么选A,reserve明明加了S的.（D)the bus drove(D)the diection of the centre of the town.A.to B.for C.towards D.in 今天我们继续学习第3章：today we will continue our study of chapter 3,today we will go on with our study of chapter 3.today we will continue studing chapter 3,go on studying chapter 3.哪种说法比较好?请问一般怎么说?