When I was walking on campus this morning,a ball hit my head.此句语法错在哪里?

When I was young,I ____ to school every dayA was walking B walkedC had been walking D.had walked I was walking in the street when someone called me对was walking in the street提问 It happened when I was walking on the road this morning.中when的用法 i ______ the traffic addident when i ______ past the buildingsAsee;wslking Bsaw;walked Csees;walking Dsaw;was walking I found somebody_me when I was walking down the street last night I happened ____(see) the accident when i was walking past the park. .I,around,an,man,when,was,down,fall,walking,the,saw,station,I,old When I was young ,I often s() money by walking to school when I was walking past the window,I saw him__my Ireally got__ 填 coping annoy对吗 I saw her __ into the library when I was walking pastA emterB comingC goD come 43.I saw the accident _________ when I was walking on the road this morning . While I was walking in the street,I met Liu Dehua.转化为I met Liu Dehua while I was walking in the street.while换when, I was ( )when I saw a snake ( ) to me .A.scared,walk B.scared,walking C.scaring,walk.I was ( )when I saw a snake ( ) to me .A.scared,walk B.scared,walking C.scaring,walk D.scaring,walking in the street,a terrible car accident happened,resulting in three deaths. A While walking B Walk C Walking D When I was walking I hear she___(rob)of a necklace when she was walking home last night she was walking t the zoo when I met her yesterday hit,when,walking,someone,I,a,tree,was(连词成句）速度一点,谢谢了 “I was walking down center street ,when a UFO landed .”怎么翻译