Question

【题目】—How often ________ your father ________，Mary? —Once a week.

A. did；exercised B. do；exercise

C. does；exercises D. does；exercise

Answer 1

【答案】D

【解析】句意：---玛丽，你爸爸经常多久锻炼？---一周一次。考查特殊疑问句。结构是How does/do + sb. +动词?根据your father是第三人称，故填助动词does，后面动词exercise用原形。故选D