The number of pandas is getting smaller and smaller.We should take action to protect
animals.(danger)
We Chinese held many activities to celebrate our country's 70th birthday on O 1st,2019.
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)
It's to talk with your mouth full.(polite)