where is my pen oh,sorry.i have taken ____ by mis

where is my pen oh,sorry.i have taken ____ by mis 单项选择Where is my pen?Have you seen ______?Oh,sorry.I have tak -Where is my book?-Oh,here it is!I'm sorry I forgot ___it fr ---Sorry.I have taken your book by mistake.---_________. A:____ my cat,please?Do you______?B:Oh,sorry.I _____know.Is "Where is my pen?" mum, where is my raincoat? oh .i forgot to tell you. it ____ sorry,I'm using my pen.I think you will have to borrow( )pen _______has taken my pen by mistake.I can't find it. Sorry,I am late again.I ____ have taken a taxi to come here. ---Sorry.I have taken your book by mistake.---_________.A.Th Sorry,I have taken your book by mistake.A.That's all right B