peple have thought of some s___ to fight A/H1N1 flu

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peple have thought of some s___ to fight A/H1N1 flu
peple have thought of some s___ to fight A/H1N1 flu

peple have thought of some s___ to fight A/H1N1 flu
solutions

solution，因为前面的修饰词是some，所以改成solutiongs,意思是解决办法。