While you were four years old,I have been to high school.这句话哪里错了

While you were four years old,I have been to high school.这句话哪里错了 What were you doing from three to four yesterday afternoon? what were you doing while i was away last week What-------you-------(do) while the others were cleaning the classroom could you ride a bike when you were four?（做肯定回答） a.What were you doing when it rained.b.What were you doing while it was raining. 填空what were you doing___I called you last night.用while还是when You appeared _____(read) while you were supposed to make a speech. where were you _____we were looking for you everywhere A that B while C at D whereA that B while C at D where 语法问题 what did you do,while you were living in Spain?do, , , while , were living哪个是错误的.第二个是中间的逗号, If four of them were what were you doing when he arrived为什么是 when 不是while when 和while 后面跟什么时态 what were you doing __your father__back?A.while ;came B.when ;came C.while ;was coming D.when ;was coming 英语翻译The people that were interviewed while surf on one of the four travel websites showed to be rather Internet affirm What ----(happen)while you were doing housework last night?happened和was happening哪一个更好? While walking the dog,you were careless and it got loose为什么 不是 got it loose what was he doing while you were cooking the dinner?(clean his shoes)怎么回答 what happened while you were _the telephone?a.at b.on c.in d.over