To keep fit, you should take more______ . Don’t be always busy doing your ______A.exercise; exerciseB.exercises; exercisesC.exercises; exerciseD.exercise; exercises
网友回答
D解析本题考查名词。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。