Timewaitsfornoman.Butteenagerswon’trealizethevalueoftim...

问题详情：

Time waits for no man. But teenagers won’t realize the value of time until it’s gone. Don’t waste your time,        you will regret it.

    A. and               B. or                  C. but

【回答】

B

知识点：连词

题型：选择题