studying还是studing?最好有理由

studying还是studing?最好有理由 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, ______ 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 I like English and I spend every minute i can__English答案是studing还是to studing? 英语：I am studing.那么加上“好好”,是I am good good studing.还是I am good good study.请打全句 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 是The plan of study abroad 还是The plan of studing abroad? iIspend every minute i can后面跟to study还是studing for study English还是for studying English studying habits还是 study habits?如题, 是in studying还是on studying eg You can do well ___ your studying if you work hard. always study english 还是 always studying english 我知道 keep 后面可以 keep studying english 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．．．