问题补充:
Many people have come to realize they should go on diet and make room for exercise.
A. a; 不填
B. the; an
C. the; the
D. 不填; an
答案:
(答案→)A. a; 不填
B. the; an
C. the; the
D. 不填; an
解析:考查冠词。固定短语go on a diet节食;exercise锻炼;是不可数名词。句意:很多人认识到了他们应该节食,腾出空间来锻炼。