Are your teachers?变为单数形式.

问题描述:

Are your teachers?变为单数形式.

这句话本身有错误,不应该用your,而用you,Are you teachers?(你们是老师吗,you是“你们”的意思)
变成单数就是:Are you a teacher?(你是老师吗,“you”是“你”的意思)