Everypossiblemeanstopreventthespreadofdisease.A.havetriedB.havebeentriedC.hastriedD.hasbeentried
Every possible means _________ to prevent the spread of disease.
A. have tried B. have been tried C. has tried D. has been tried
Every possible means _________ to prevent the spread of disease.
A. have tried B. have been tried C. has tried D. has been tried
Every possible means _________ to prevent the spread of disease.
Every possible means _________ to prevent the spread of disease.A. have tried B. have been tried C. has tried D. has been tried
A. have tried B. have been tried C. has tried D. has been tried D. has been tried
D
D
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