下列物质中属于氧化物的是[ ] A.O2 B.C6H12O6 C.H2O D.K

Write a passage in about 100 words with the help of the following points about Zhanghua’s life       change. The first sentence has been given.

Zhanghua as a child	Zhuanghua now
used to have much time used to spend a lot of time playing games with his friends used to watch TV or chat with his grandma in the evening used to go to concerts with his father.	Is too busy gets up early and stays in school all day. hasn't any more time to play games with his does his homework and goes to bed late, hardly has time for concerts. misses the old days.

Zhuanghua's life has changed a lot in the last few years.
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