Doning morning exercises is good for our b_

Doning morning exercises is good for our b_ （ ） morning exercises is good for our health.(do) 完形填空Doing morning exercises is good for our health.Every mor doing morning exercises --------(be) good for our health Doing morning exercises is good for us.（同义句） Doing morning exercises is good for us.(同义句) ____ why do we say morning exercises are good for our health?请问怎么 We do morning exercises every day and__is good for our healt doing eye exercises and morning exercises (be) good for heal Doing morning exercise is good for our health.Every morning ()morning exercises is good ()you.a:doing,for.b:do,for.c:doi 什么时候该用不定式如To do morning exercises is useful for our health.为