单项选择题

If you want to ring back, you have to ______.

A．redial the telephone
B．know the free telephone number to a computerized switch in another country
C．find another person to call you back

<上一题目录下一题>

热门试题

单项选择题

A．owner
B．businessman
C．salesman
D．trader

单项选择题

A. 51 pounds
B. 17 pounds
C. 2.16pounds
D. 1.85 pounds
E. 16 pounds
F. 1.35 pounds
G. 2.42 pounds
H. 1.45 pounds

If you want to ring back, you have to ______. 您的浏览器不支持 audio 元素。