我们正在讨论快餐为什么有害健康.
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Mr. Miller is a very (幽默的) teacher. His classes are very interesting.
Don't worry about your grandma. There is (没有什么) serious with her.
This is a (地图) of china.
There is a river (在……附近) my school.
This problem is very (容易的) for me.