48.I was studying for the English__ at this time yesterday.49.Every night they hear a strange__out接side their window.50.i bought a red__ for my mother.48有4个字母,第3个字母是s49有5个,第四个是s50有6个,第5格是s

how I was studying English 是什么时态? I have been studying English since I was five (对since I was five提问) the last time I( )her,she( )at a medical college.A.was visiting,studied B.visited,studies C.visited,was studying D.was visiting,was studying 英语差生有问I was told that there were about 10 foreign students studying Chinese .请问为什么用studying?而不是study 或studied 或 were studying I have been studying English (since i was eibht years old) (对括号内容提问） I starts_____English when I was twelveA.learn B.studying C,studied选哪个? I was studying English when he knocked at the door.改错 the pass the important exam,i--very late every night over the last three months.A.studied B.have been studying C.was studying D.study求翻译,.. The last time I her,she at a medical college.A.was visiting,studiedB.visited,studiesC.visited,was studyingD.was visiting,was studying I have been studying English since I was five (对化线部分提问)前面有2个空 I always regret not ( )harder when I was young.空处为什么是having studied,而不是studying? When I was studying here ,I wanted to turn teacher in the future.这句话对吗?那这两句呢：When I was studying here ,I wanted to be a teacher in the future.When I was studying here ,I wanted to become a teacher in the future如果都可以的 1.Which is true?答案是C为什么不选D呢?A.There are six years since I began studying EnglishB.It was six years since I began studying EnglishC.It is six years since I began studying English D.I have been six years since I began studying English I often dream of studying i am studying in college 英语翻译同位语从句的连接词是that还是when,为什么?（He often trouble in my time when I was studying at还是He often trouble in my time that I was studying ） I wwas studying in the library.Did you smell smoke No,but Meimei did.Where was she 开头I FO YOU 的英文歌