题干
Mr. Jin, the headteacher of Yu Cai Middle school is ______ warm-hearted person.
A：a
B：an
C：the
D：/
答案(点此获取答案解析）
A
Mr. Jin, the headteacher of Yu Cai Middle school is ______ warm-hearted person.
A：a
B：an
C：the
D：/
