When I _ the letter,he _to visit us?A.wrote;cameB.was writing;C.was writing;cameD.wrote;was coming

The child was running in the street when he (_)(fall)to the ground.she(_)(write)a letter when i went to her house.I (_)(hear)the story before you told it to me.after he (_)(wash) the dishes,she began to clean the table. When I _ the letter,he _to visit us?A.wrote;cameB.was writing;C.was writing;cameD.wrote;was coming She had finished writing the letter when I went in. I remember that i haveposted the letter yesterday.(同义)I remember _ _ _yesterday.填三个空 I read the letter as I walked along the river中as可用when替代吗 Please give the bike back to me as soon as possible.=Please _the bike _ _ as soon as _ _.I got his letter last week.=I _ a letter _ _ last week.=I _ _ _last week.Our school held a sports meeting last autumn.=A sports meeting _ _ _ our school last aut He m_ his bus,so he had to wait for the next one.The meeting ended ten minutes ago.=The meeting _ _ _ ten minutes/_ ten minutes ago.=Ten minutes _ _ _ the meeting ended.I heard from him days ago.=I _ _ his letter _ two days.=_ two days _ I _ his lett I _(meet) him at the station when he _(return) tomorrow the letter _ _(must post) at once 被动语态 I don't know when I can post the letter.改为同义句I don't know ___ ___ ___the letter.请问这是什么句型?为什么这么填? i found a letter -- on the floor when i came into the classroom A lying B lay Clie D lies 英语翻译The boy was _ _ _ __ _ the street when the UFO _ _ _ _ __ _. I felt my heart _(beat) when I heard the news. I must thank him because he helps me with my studies=I must thank him _ _ me with my studiesIsn't your skirt the same as hers?=_ your skirt _ _ hers?Don't worry about him.=Don't _ _ _ him.When will he get to the cinema?=When will he _ _ the cinema?Ho I don't know where I can post this letter .=I don't know _ _ _this letter . I am _ to your letter填 answering还是replying I have no idear at all __he wrote the letter--it isn't dated.为什么填when 而I have no idear at all __he wrote the letter--it isn't dated.为什么填when 而不填why? I is the ()() letter in the ABC