问题补充:
His grandpa was so poor at that time that he had to get up atdawn every day and walk to the factory indistance.
A. ×; a
B. ×; the
C. a; the
D. the; the
答案:
A. ×; a
(答案→)B. ×; the
C. a; the
D. the; the
解析:考查冠词。句中at dawn在黎明;in the distance在远处。句意:他爷爷过去如此的穷,以至于不得不每天黎明起床走到很远的工厂。