As I was putting the bike together,I discovered a piece was missing.时态的运用.前半句用过去进行时我理解,但是后半句为什么不是 a piece missed呢?后半句应该用一般现在时呀.如：As she was working on the computer,sh

I was ____what I wanted to speak when my teacher went into the classroom.A.putting down B.putting off C.putting away i was putting a machine together As I was putting the bike together,I discovered a piece was missing.时态的运用.前半句用过去进行时我理解,但是后半句为什么不是 a piece missed呢?后半句应该用一般现在时呀.如：As she was working on the computer,sh it was an old wooden house 请帮我翻译?It was an old wooden house and I lived on the top floor , As i heared'fire! help in the middle of the night, I jumped out of my bed and began to run without putting on my shoes. The smoke grew thicker and ·句子转换The footall match was put off as a result of the heavy fogThe heavy fog ____ ____ the putting off of the football match he was thinking in the same way as i was The man I was __ a hat A wearing B putting on C dressed D in 选什么? Just as I was buying the tickets,the train leftjust as just as as if i was I have been hearing-impaired (听力弱的) all my life. By the time I was five years old, putting on h翻译 A farmer had some little dogs to sell.As he was putting up an advertisement on the fence of his yard,a __31__ happened to pass by.“I want to __32__ one of your dogs,sir .”“Well,”said the farmer,“these dogs come from fine parents and cost a i was born on the same day as you是什么意思 The phone _______(ring)just as I was leaving. Rain was falling as I ran out of the I woke up as the sun was rising求翻译 The movie was not so good as i (expect). But,terrified as I was,I couldn't bring myself to regret the decision.terrified as I was如何 翻译：I found I was carried twice as far as on the earth and fell over.