从每小题A、B、C、D中选出一个划线部分与其它三个读音不同的选项,并将其代表字母填入题前括号内。
My brother always________a white shirt.
I know________about him.He is new here.
Our math teacher is of medium________black curly hair.
She always________a white skirt.
—What are you going to be in the future? —I want to be________actor. A.a B.an C.the