单项选择题

A．Passenger and bus driver.
B．Doctor and nurse.
C．Sales clerk and customer.
D．Airline agent and customer.
<上一题 目录 下一题>
热门 试题

单项选择题
A．Some people sometimes.B．Nobody.C．Everybody.D．Some people all the time.
A．Some people sometimes.
B．Nobody.
C．Everybody.
D．Some people all the time.
填空题
S2
相关试题