Children should go to bed before nine every light,or they will be (sleep) in class.
Why do we make mistakes more when we feel tired? This happens because parts of our brain actually fall asleep when we're awake and tired. ( easy )
Recycling your rubbish is a great habit. However. it's even better to turn your rubbish into something new and . (use)
According to some studies, the you read, the less you understand what you have read. (fast)
Growing up is hard for everyone. Laura has to face lots of stress as a . ( teenage )
After the Great Wall Station, Zhongshan, Kunlun and Taishan, China is now building its research station in Antarctica (南极洲). ( five )
The new plan asks residents (居民) to put their rubbish into four different , one for each kind of rubbish. ( box )
After a busy morning at work,lunchtime gives a chance to do many things,such as exercise,read and watch TV. (I )
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