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work has been done to improve the people’s living standard. A. A large amount of

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work has been done to improve the people’s living standard. A. A large amount of

 ________ work hasbeen done to improve the people’s living standard. 

A. A large amountof     B. A large number of    C. A great deal     D.A great many

 

试题答案

【答案】

 A