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