And they are English teacher.这句话的teacher要加s吗?

And they are English teacher.这句话的teacher要加s吗? Who is your english teacher and math teacher这句话对吗?是用is还是are They are the teacher这句话对不对? my teacher的teacher要加s吗 The English teacher and Chinese teacher are both young.The s They are boys and girls' English teacher画线部分为the boys and gi They are for our teacher's 英语翻译there are four other English teacher and they don‘t make They are Peter's and Eric's这句话有错吗,正确的应该是They are Peter and E Mr.Li and Mrs.Zhang are English teacher.这里用teacher还是用teacher They are teacher. a new teacher will come and teach you English对吗?为什么teach不加s?