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EverypossiblemeanstohelpthepoorpeopleinAfrica.A.havetriedB.havebeentriedC.hastriedD.hasbeentried

题目详情

Every possible means ________ to help the poor people in Africa.

A. have tried 

B. have been tried 

C. has tried 

D. has been tried

Every possible means ________ to help the poor people in Africa.

A. have tried 

B. have been tried 

C. has tried 

D. has been tried

Every possible means ________ to help the poor people in Africa.

A. have tried 

B. have been tried 

C. has tried 

D. has been tried

▼优质解答
答案和解析

D

 

D

D

D

D

D

D