Question

【题目】They always _____ on weekends.

A. exercise B. exercises

C. to exercise D. Working

Answer 1

【答案】A

【解析】

试题分析：句意：他们在周末经常锻练。根据句意及题干分析此空在句中作谓语，主语是they，所以要用动词原形exercise，故选A。