转换同义句 She did her homework without any help this time She did her homework ___ ___ this timethis book isn't mine.this book _____ _____ _____ me.they can't work out the problemthey _____ _____ _____ work out the problem

问题描述:

转换同义句 She did her homework without any help this time She did her homework ___ ___ this time
this book isn't mine.
this book _____ _____ _____ me.
they can't work out the problem
they _____ _____ _____ work out the problem

by herself
doesn't belong to
aren't able to

She did her homework by herself this time.
this book doesn't belong to me.
they have difficulty in working out the problem
They weren't able to work out the problem.