what's the matter?I am having trouble ( ) who has taken my b

what's the matter?I am having trouble ( ) who has taken my b What's the matter?I am having trouble _who has taken my book -What's the matter?-I'm having trouble _______ who has taken i am having trouble finding out who has taken my book.为什么用fi I am having some trouble with my classmates at the moment里面的 What’s the matter with my（ ）,I can't hear anything.A.eyes B. what's up 和what's the trouble what's wrong what's the matter i left my pen on the dask and now it isgone ,who has taken为什 关于what s the trouble\wrong\matter with you 英语翻译W:I am sorry I am having trouble reading my notes.Did yo the home improvement has taken what little there is ___ my s What't the matter?=What'wrong?=What's the trouble?=What's __