______has taken my maths book by mistake.填个合适的不定代词

______has taken my maths book by mistake.填个合适的不定代词 somebody has taken my bike by mistake的意思是什么 ---Sorry.I have taken your book by mistake.---_________. ---Sorry.I have taken your book by mistake.---_________.A.Th Sorry,I have taken your book by mistake.A.That's all right B _of my parents are workers.填不定代词 选择合适的不定代词或副词填入空内： 用合适的不定代词填空、赏20分. This is my book.That book is y-----填人称代词的适当形式 二、 词汇与语法知识 （）10.__________ has taken my bike by mistake . _______has taken my pen by mistake.I can't find it. 英语 物主代词形容词性的物主代词 名词性的物主代词 个是什么意识?比如 book 不是名词吗?My book my不是形