___teacher and writer is going to give us a talk tomorrow.the 为何用the,而不用a?___teacher and writer is going to give us a talk tomorrow.the为何用the,而不用a?
问题描述：
___teacher and writer is going to give us a talk tomorrow.the 为何用the,而不用a?
___teacher and writer is going to give us a talk tomorrow.
the
为何用the,而不用a?
答