Mrs Black isn’t in and I’ll have to ring . I would appreciate it if you ring aft
来源：网络
时间：
推荐文章
Mrs Black isn’t in and I’ll have to ring ______. I would appreciate it if you ring _____ after 6 o'clock?
A.off; back
B.up; off
C.out; up
D.back; off
试题答案
A
Black女士不在家, 我现在不得不把电话挂上了; 要是你在6点钟后再来个电话我将不胜感激。ring off挂断电话；ring back回电话；ring up 打电话；ring out响起；宣布离去。