Many people have come to realize that they should go on balanced diet and make room in t

问题补充：

Many people have come to realize that they should go on balanced diet and make room in their day for exercise.

A. a; 不填

B. the; a

C. the; the

D. 不填; a

答案：

(答案→)A. a; 不填

B. the; a

C. the; the

D. 不填; a

解析：第一空填不定冠词，因为diet表示“节食”时，为可数名词; 第二空不填冠词，因为room在此指“空间”“空处”，是不可数名词。