i discovered a piece was missing.有没有和missing相近的形容词呢?我要的是遗失的形容词常用用法

i discovered a piece was missing.有没有和missing相近的形容词呢?我要的是遗失的形容词常用用法 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 Was I a piece of medicine for 英释汉：I am hungry,I want a piece of cake. I should be good for five bucks a piece.为什么a piece这里指每个人 i'd like a piece of paper to write 【改错】 a would I piece like cake of 连词成句 want,a,of,piece,bread,I （连词成句） I have a piece of good news for you I need a piece of paper ________(来写子)怎么填? i'd like a piece of pizza(改为一般疑问句 I can cut a piece __ that chocolate Aof Boff I'm not a piece of 我不是一块屁股? 英语Then I found a piece of paper in I heard a piece of interesting today改错 no,itis a piece of cake ,i think. no itis a piece of cake ,i think的意思 I will give him a piece of my