Fill in the blanks with proper words.
During the day we work and play, and at
night we sleep. Our body has a rest while we are sleeping. Then we can work and
play a{#blank#}1{#/blank#} during the whole day.
Our body is the best while we are sleeping.
Children who are tired usually need more sleep. Boys and girls who are eight or
nine years old need ten h{#blank#}2{#/blank#} of sleep every night.
What's more(而且),our
body needs lots of air w{#blank#}3{#/blank#} we sleep. If we don't get enough air, we will
feel tired after waking up in the morning. While in bed we mustn't cover(盖住) our heads. Our lungs(肺) need to get enough
fresh air. If we o{#blank#}4{#/blank#} our windows at night, we can have enough fresh
air, Cool air is b{#blank#}5{#/blank#} than warm air. If boys and girls want to be
strong, they should get lots of sleep with fresh air.
