问题
选择题
She told me she wanted to ________ her two o’clock appointment in order to take care of her sick.
A．have broken down
B．have broken out
C．have broken in
D．have broken up
答案
B
考查动词短语；put down放下，记下；call off取消；hang up挂断，拖延，把……挂起来；take off取消，脱衣，起飞，减弱。