The teacher asked the boy many questions ,but he only answered --------of them.

题目

The teacher asked the boy many questions ,but he only answered --------of them.
A,some B,lots C,each D,few 请给我详细解释

答案

A...
老师问了他很多问题,但他只回答出了一些.
因为有but,所以要填对比的.
但是因为有only..所以后面要跟肯定的.这里就只能填some 了.
如果没有only,可以填 few