The careless boy found his book this morning,but now he ____his penA loses B lost C has lost D had lost为什么
问题描述：
The careless boy found his book this morning,but now he ____his pen
A loses B lost C has lost D had lost
为什么
答
C 现在他的笔又丢了 他的笔已经丢了,并且根据句意,丢笔对所讲的整件事产生了影响.关键词Now,用于现在完成时,所以选Has lost