Question

— 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

Answer 1

B

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。