汽车修理工艺规程对生产对象要求具体分析内容,不包括()。
A、工效
B、成本
C、质量
D、工序如何操作
参考答案:D
—Is this your pen?
—No, it's ______. [ ]
A. my sister
B. he's
C. his brother's
D. my teacher