His sister disappeared,never _______ again.A.to hear from B.to hear C.to be heard D.to be heard from 选D为什么?

his sister His sister,always is his sister. 什么his sister his sister is His sister is from Canada.(对Canada提问) ( ) his sister ( )? she is his sister,helen. His mother looks after his sister at home（ ）（ ）after his sister at home? his sister怎样提问The worker is his sister.对his sisiter进行提问 His sister likes watching tv问句 ( )（）is his sister?she is ( ). Is that his sister?变为复数句 ( )（）is his sister?she is ( )（）. that is his sister改为复数形式 tom is ten.His sister is five. his sister is a teacher改成复数 His sister likes to play_____her dog. yesterday his sister ____ dinner for them This is his sister改为复数句