用所给单词的适当形式填空
1、 1、during（ busyiness ）hours ，the lotus supermarket isalways crowded with people
2、shanghai is one od the （busiest ）cities in the world
3、the new government is （busy ）making new rules to protect to protect our earth
4、nowadays more and more（businessmen ）come to china on（ business ）
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1 business 2 busiest 3 busy 4 businessmen ,business
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