听力原文：How often do we need to change the oil in the car？ （A) Every 3 months or every 3,

听力原文：How often do we need to change the oil in the car？

(A) Every 3 months or every 3,000 miles.

(B) I changed it last week.

(C) I want to change the color of my car.

(22)

A．

B．

C．