Time never comes again. So we’d better make full use of our time. A. losing B. lostC. bei

问题补充：

Time never comes again. So we’d better make full use of our time.

A. losing

B. lost

C. being lost

D. having lost

答案：

A. losing

(答案→)B. lost

C. being lost

D. having lost

解析：考查非谓语动词。句意“流逝的时间永远不会再回来。”因此，我们最好充分利用时间。Time和lose之间是动宾关系，故用被动，过去分词作定语，相当于一个定语从句。Time lose= time that/ which is lost。故选B。