Question

-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

Answer 1

A

试题分析：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。