Many people have come to realize they should go on diet and make room for exerci
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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
试题答案
A
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。