don't,happened,three,ago,what,to,they,know,them,seconds.怎么连帮帮忙个位大哥大姐

don't,happened,three,ago,what,to,they,know,them,seconds.怎么连帮帮忙个位大哥大姐 I don’t know what ___ last night.用he happened 还是happened to him 为什么 I don't know what___(happen)to him 为什么填的是has happened 而不是happened I still don't know what__while I was away from home.A:has happened B:happened I don't know what___(happen)to him 为什么填的是has happened 而不是happened You say three years,never to this three months,don't say you don't wait. I really don't know what____him last night.A.happened with B.happened to C.has happened to D.has happened with I still don't know what____to him.He ought to come now.(回答时告诉我为什么 A.had happened B.was happened C.has happened D.happened We don't know when the accident________.A.has happened B.happened C.happening D.to happen i don't know whether you happened to have heard or i don't know whether you happened to hear?上面的两种说法那一个正确? don't cry because it is over,smile because it happened.`中文意思Don't cry because it is over,smile because it happened.` they don't know what ————yesterdayA.did he happen B.he happened C.happened to him D. was happened to him I still don't know what___while i was away from home.A had happened B was happened C has happenedD happened they don't know what ————yesterdayA.did he happen B.he happened C.happened to him D.was happened to him Don't worry.The train is_____(come) in three minutes. I don't know how the accident happened.当I don't know how the accident -- -- --.该用哪些词 an amazing thing（一件事真实的事,带中文翻译）例：That goldfish can only remember things for three seconds.They dont know what happened to them three seconds ago. 金鱼只能记住三秒内发生的事,它们不知道在三秒前发 ---what happened to the postman?---i don't know.we_him around here.A.haven't seenB.aren't seeingC.don't seeD.didn't see.