It means that we must go to bed______at night and get up ear

It means that we must go to bed______at night and get up early in the______.
Everyone must go to bed early and get up early ,or we won’t be healthy and clever.
Is it true Perhaps it is .The body must have enough sleep .Children of you age need ten hours’ sleep every day .If you don’t go to bed early ,you won’t have enough sleep.Then you can’t think properly and can’t do your work properly.You will not be clever.
Some people go to bed late and get up late.This is not good for them .We must sleep at night when it is dark..The dark （黑）helps us to sleep soundly(睡得香) .When the daytime comes,we must get up .This is the time for exercises .If you lack (缺乏) exercises,the body becomes weak,.Exercises keep a strong body .
Exercises help the blood flow (血液循环)around the body.This is very important .Blood takes food to all parts of our bodies.The brain（大脑）also needs flood （血液）.We think with our brains .If we keep our body healthy,and take exercises,we can think better .
( ) 1.If we want to be healthy and clever,we must go to bed _________.
A.late and get up early
B.early and get up early
C .late and get up late
D.early and get up late
( ) 2.Children of your age need ______________.
A.10 hours’ sleep
B.11 hours’ sleep
C .12 hours’ sleep
D.9 hours’ hours
( ) 3.The best time to sleep is when _______________.
A.it is dark
B.the sun comes out
C .daytime comes
D.the moon comes
( ) 4 .Exercises make the body _____________.
A.weak
B.clever
C .active
D.strong
( ) 5 .Exercises ____________________.
A.make more blood
B.make our brain tired
C .help the flood to flow
D.make food for our blood

early,day.
B,A,A,D,C