Hoàn thành đoạn hội thoại sau:
Mr.Trung:..................................children?
Mrs.Hien: They're in their room.
Mr.Trung:.....................................................televison?
Mrs.Hien: No, they're in bed
Mr.Trung:..................................................?
Mrs.Hien: Reading? No, they aren't. They are sleep
Mr.Trung:......................................children?
Mrs.Hien:Hung? He's writing a postcard and watching TV at the same time...
Mr.Trung;............................................?
Mrs.Hien: He's watching a movie.