— What was your brother like when he was young? — He be quiet but now he’s very outgoing

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。