The waiter hardly has a day off, ? [ ]
A. hasn't he
B. doesn't he
C. will he
D. does he
D
电气控制设备在汽车制动系中的应用有()、()等。
主要影响古印度的幼儿教育的思想是()
A.儿童生活
B.种姓制度
C.宗教神学
D.儿童经验