问题
选择题
To keep fit, you should take more______ . Don’t be always busy doing your ______.
A．exercise; exercise
B．exercises; exercises
C．exercises; exercise
D．exercise; exercises
答案
答案：D
本题考查名词。句中take exercise为“锻炼”之意；do one’s exercises做练习。句意：为了保持健康，你应当做更多的锻炼。不要总是忙于做你的练习。