Question

- When he was a little boy，he ______ on the farm.

A．used to working

B．used to work

C．got used to work

D．was used to work

Answer 1

B

used to do sth.意为"过去经常做某事"。be used to do sth.意为"被用来做某事"。be/get used to doing sth."习惯于做某事"。