Question

【题目】My mother isn't used_______ sweet food before meal.

A. to eatB. to eatingC. eatD. eating

Answer 1

【答案】B

【解析】

句意：我妈妈饭前不习惯吃甜食。

be used to do sth.被用来做某事，是被动语态；be used to doing sth.习惯于做某事；否定句be not used to doing sth.不习惯于做某事。“我妈妈饭前不习惯吃甜食”，符合语境。故选B。