题目

做一个完形填空,要有过程（就是为什么要选这个.）
During the day we work and play,and at night we sleep.Our bodies rest while we are __1__.In the morning we are ready____2___ again.Our bodies grow ____3____ while we are asleep.Children who are tired usually ___4___ sleep.We can get better at our lessons ___5___ we have had plenty of rest.Boys and girls who are eight or nine years old need ten hours of sleep every night.Our bodies need plenty of ____6___ when we sleep.If we do not get enough fresh air,we ____7___ tired when we wake up.While in bed we must not cover our ____8___.Our lungs(肺) need to get enough fresh air.If we ___9___ our windows at night,we can have plenty of fresh air.Cool air is better than warm air.Boys and girls who want to be ___10___ must get plenty of sleep.
( )1.A.asleep B.sleep C.rest D.play
( )2.A.to work and play B.working and to play
C.to work and playing D.working and playing
( )3.A.much B.more C.most D.slow
( )4.A.can B.may C.need D.must
( )5.A.while

提问时间：2020-12-22

答案