Question

I will tell your parents _______ you come back on time.

A. when B. since

C. unless D. as soon as

 

Answer 1

C

【解析】

试题分析：when当……时；since由于，自从……以来；unless除非，如果不；as soon as一……就……。句意：如果你不按时回来，我就告诉你的父母。结合语境可知选C。

考点：考查连词辨析