24. I am cooking _____________he is playing computer games.
A. for
B. or
C. so
D. while
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25. Bill runs fast. He won the ____________800-meter race yesterday.
A. boys
B. boy
C. boys'
D. boy's
26.I don't care how many words there are in your article, but the quality of really matters.
A. 内容
B. 精华
C. 质量
D. 长度
27.He has the abilityto be a good doctor.
A. 目标
B. 答案
C. 建议
D. 能力
28.If you want to know exactly what a word meanS, you should look it up in a dictionary.
A. 确切地
B. 容易地
C. 大致地
D. 相近地