Question

【题目】My sister be lazy. But now she’s working really hard.

A. used to B. is used to C. was used to

Answer 1

【答案】A

【解析】句意：我妹妹过去常常很懒，但是现在她真的工作很努力。A. used to do过去常常做某事， B. is used to do被用来做某事（一般现在时态）， C. was used to do被用来做某事（一般过去时态），根据But now she’s working really hard可知过去常常很懒；故选A