What did Mr.Li say to the graduated students?
He said that (他们所学的知识应该被传授给贫穷地区的人们) to help them become rich.(pass)
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)
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 )