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"。