问题补充:
Having exercise every day will do great good to your health.
A. a great many
B. a plenty of
C. a great deal of
D. a great number of
答案:
A. a great many
B. a plenty of
(答案→)C. a great deal of
D. a great number of
解析:短语辨析。A.很多,修饰可数名词 B.大量的;修饰可数名词 C.大量,修饰不可数名词 D.多数的。句意:每天参加大量锻炼对你的健康大有好处,exercise为不可数名词,故选C。