Question

(2013·哈尔滨四校高三统一检测)The old man often looked back on the past days ________ he worked hard to make a living.

A．which	B．when
C．where	D．that

Answer 1

B

B　考查定语从句。句意：这个老人经常回顾他过去辛苦谋生的日子。分析句子成分可知，先行词为the past days，空处在定语从句中充当时间状语，故用when引导。