Question

Having ________ exercise every day will do great good to your health.      

A．a lot

B．a number of

C．too much

D．plenty of

Answer 1

D

试题分析：a lot 副词短语,许多,大量;a number of许多大量,修饰可数名词复数;too much    太多; plenty of 形容词短语,许多的，大量的。句意:每天参加大量体育锻炼,对你的健康有好处.exercise本句中表示抽象含义,不可数,故选D.