【题目】If you want to improve your figure and health, the most effective thing to do is to show up at the gym every time you ________ be there.
A. can B. will
C. may D. shall
在线课程【答案】A
【解析】
考查情态动词辨析。句意：如果你想改善你的身材和健康，最有效的方法就是每次能去健身房的时候都去。A. can能；B. will将，愿意；C. may可以，能够；D. shall会，将。此处指能去的时候就去，表示能够，故选A.