问题
选择题
It was decided to _______ the search when there was no hope of finding the missing child alive.
A．call off
B．let off
C．put off
D．round off
答案
答案：A
短语辨析。A.取消 B. 宽恕 C. 推迟 D.完成。句意：当没有希望找到这个失踪的孩子还活着的时候，决定取消搜查。故选A。