Question

【题目】You may easily lose your way in Beijing ________ you have a map in your hand.

A.untilB.unlessC.if

Answer 1

【答案】B

【解析】

句意：你在北京很容易迷路，除非你手里拿着地图。A. until……；B. unless除非……；C. if如果；根据you have a map in your hand.可知“除非你手里拿着地图”，这里是unless引导的条件状语从句，根据题意，故选B。