问题补充:
— What was your brother like when he was young?
— He be quiet, but now he’s very outgoing.
A. was used to
B. used to
C. used by
D. was used for
答案:
A. was used to
(答案→)B. used to
C. used by
D. was used for
解析:本题的含义是他原先是文静的,但现在他非常外向,used to+动词原形,表示曾今或原先的意思,故本题选B。