It's Saturday today.But Bob's father i( ) at home.He's a doctor in a hospital.按首字母填空
问题描述：
It's Saturday today.But Bob's father i( ) at home.He's a doctor in a hospital.按首字母填空
答
isn't
今天是星期六.但是鲍勃的父亲不在家.他是一所医院的医生.