污染如此严重,人人都应该出一份力来制止它.( so…that )
The headmaster (回答)to me after I wrote to him about my problems yesterday.
Doctors say that too much pressure is not good for a child's (发展).
With the spread of Chinese culture,Chinese is (广泛地)used in the world.
In our English class,we are often d ivided into eight groups to practice conversations.
I've finally realized why my grandpa loves drinking tea and (收集)tea sets.