问题
选择题
-Jack, I think you should say sorry to Mary.
- I won’t do that _____ she says sorry to me first.
A.unless
B.if
C.and
D.because
答案
答案:A
题目分析:句意:——杰克,我认为你应该向玛丽说对不起。——除非她先给我说对不起,否则我不说。unless除非,if如果,and和,because因为。根据句意,可知选A。