Good morning, class(同学们).My name is Wang Gang. I'm your teacher. This is Dongdong. This is Liu Mei. Nice to meet you.
根据短文内容,判断正(T)误(F)。Dongdong is a teacher.
Liu Mei is a teacher, too.
Wang Gang is a teacher.
They are in the classroom.
Dongdong and Liu Mei are classmates(同学).