Question

— Is your mother a bus driver？
— Well, she _______________, but now she is a shopkeeper.

A．used to

B．used to be

C．use to be

D．is used to being

Answer 1

B

used to do 的意思是，过去常常做某事，而现在不做了. be used to doing /sth 是习惯于（做）某事 的意思