问题
选择题
— Your aunt often walks the dog in the morning.
— Yeah, ___________ bad weather stops her.
A. when B. unless
C because D. since
答案
答案:B
题目分析:句意:你的阿姨经常在上午遛狗吗?是的,如果不是坏天气阻止她(她就会去)。A. when 当 B. unless 如果不,除非 C because因为D. since自从。根据句意,故选B。