I ____ downstairs when I fell.(run)

I ____ downstairs when I fell.(run) I didn't see him,but i _____(hear)him ____(go)downstairs downstairs 我在楼下,用英语怎么说 是I 'm downstairs,还是I'm on downstairs downstairs..I slipped and fell downstairs.George heard the noise and came downstairs puickly.这两个downstairs是什么词?做什么语呢? 选择 改错 句型转换句型转换1.while living in England,he made many friends while ____ ____ in England ,he made many friends 2.I didn't go downstairs until the window had to be shut Not until the window had to be shut ____ ___ go downstairs When I heard the cry for help _______ ,I ________quickly to help him.A in downstairs,ran to downstairsB downstairs,ran downstairsC on downstairs,ran to downstairsD downstairs,ran to downstairs i slipped and fell downstairs 为什么fell不用过去式 i went downstairs on purpose to see you 1.Which is the ___ river ___the world?2.I heard___and went downstairs,but I found that __was __.3.He ___to earn ____and work ____.4.Will you ____ ____ this week's crossword____?5.I am ____ ____ the present you ___me for my birthday.1.世界上最长 ch,wh,i可以组成的单词 帮我看看一道选择题-----Ted ,tom is here downstairs waiting to meet you.----really I ____he ____ tomorrow.Athought ; would come B had thought ; would come为什么B不行呢 为什么用过去完成时不行呢? I can't find Mary downstairs.She ____ her homework upstairs.A must do Bmust be doing C must havedone Dcan't do答案是B,为什么不选A Students may queue up before they go downstairs.(否定） Students ____ ____queue up before they go我写在下面：downstairs downstairs是什么意思? Im sorry to hear that your grandma______(fall) downstairs.按适当的形式填空why? I'll let someone ____for you downstairs. A.wait B.waiting C.to wait D.waited I didn't go downstairs until the window had to be shut”变强调句