.when i walked --the station,i saw the accident a.past;to happen bpasedt; happened c.past;to happenwhere are you goning to--your summer holiday?a.take b.cost c.spend

I read the letter as I walked along the river中as可用when替代吗 I found he_______(explain) the problem to his students when I walked into his office. I found Mrs Green (water)her flowers in the garden when I walked by When I saw that ,I walked over to the group.的翻译? I saw an old man _____(lie) on the around when I walked past When I walked in the street,I my best friend.后面是填met还是meeting? I saw Betty_____(read)in the classroom when I walked past. 单词填空:1.I heard the shout when i walked p______the coffee shop this afternoon My robot was cleaning the floor when I walked into my room.改同义句 The poor lady who was robbed ___(scream)for help when I walked past. The poor lady who was robbed ___(scream)for help when I walked past. When I walked into kitchen,I found the glass was broken on the floor.为什么用broken i ______ the traffic addident when i ______ past the buildingsAsee;wslking Bsaw;walked Csees;walking Dsaw;was walking I saw my friend when I walked in the street 和 I saw my friend when I was walking in the street 分别是什么时态.有什么区别. When I walked past the park,I saw s ome people(When I walked past the park,I saw some people( )Chinese Taiji.A.didB.to doC.are doingD.doing he ( )in the street when I( )him.A.walked,called B.was talking,called C.was talking ,was calling D.walked,was calling i saw a piece of glass fall down when i walked past the office为什么不用falling down 用介词或副词填空 when i walked ______ the builbing.I heard someone crying ______ help.