问题
选择题
I think you should work harder ________ you are satisfied with the way things are.
A.if
B.when
C.since
D.unless
答案
答案:D
选D 考查状语从句。句意:我认为你应该更努力地工作,除非你对现状满意。根据句意可知,此处用unless引导条件状语从句。unless“除非,除非在……情况下”。