The directors will meet tomorrow, ______the schedule is changed. A. if B. but C.

Question

The directors will meet tomorrow, ______the schedule is changed.

A. if

B. but

C. unless

D. or

Answer 1

正确答案：C

17．答案为C  主管们明天要开会，除非改变日程表。根据两句逻辑关系，只有C合逻辑。