问题补充:
My grandfather us stories when I was young.
4.
A. was used to tell
B. is used to telling
C. are used to tell
D. was used to telling
答案:
A. was used to tell
B. is used to telling
C. are used to tell
(答案→)D. was used to telling
解析:考查固定短语。当我小的时候,我的爷爷习惯于给我们讲故事。习惯于做某事用be used to doing sth.故选D。