问题
选择题
The man dressed _____ jeans is an expert _____ unlocking doors and he can open a door ______ difficulty.
A．in, on, with
B．on, at, with
C．in, on, without
D．in, at, without
答案
答案：D
考查介词：第一空是be dressed in穿着，第二空be an expert at是…的专家，第三空without difficulty，毫不费力的，句意是：穿着牛仔裤的人是解锁专家他能毫不费力的开门。选D。