题目内容：

My mother used to be ( ) taacher of Chinese before she turned ( ) writer.
My mother used to be ( ) taacher of Chinese before she turned ( ) writer.
A.the,a
B.a,/
C.a,a
D./,/
为什么选B,说下理由吧~

优质解答

a teacher
writer
turned to a writer
turn writer
turn是系动词,“变成、成为”,后接表示职务等名词作表语,不加冠词.
约定俗成,记住就行了~
类似的还有 writer though she is,she can't think of anything to say at the party.这个也不用冠词的~表语啊表语,提前到句首不用冠词~