Question

I ______,but now I have to get used to ______for my health.

A.often stay up, going to bed early B.used to stay up, going to bed early

C.often stayed up, go to bed early D.used to stay up, go to bed early

Answer

B

【解析】

句意：我过去常常熬夜，但现在为了健康，我不得不习惯早睡。

考查动词固定搭配。stay up熬夜，go to bed early早睡。used to do sth.表示过去常常做某事；used to doing sth.表示习惯于做某事；be used to do sth.表示被用来做某事。根据句意：我过去常常熬夜，但现在为了健康，我不得不习惯早睡。结合选项，可知B选项符合题意，故答案选B。