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It was necessary to _____ the factory building as the company was doing more and more business.

extend        B. increase       C. lengthen       D. magnify

It was necessary to _____ the factory building as the company was doing more and more business.

　　A. extend    B. increase    C. lengthen    D. magnify

 It was necessary to _____ the factory building as the company was doing more and more business.

   A. extend    B. increase    C. lengthen    D. magnify

It was necessary to _____ the factory building as the company was doing more and more business.

　　A. extend    B. increase    C. lengthen    D. magnify

It was necessary to _____ the factory building as the company was doing more and more business.

   A. extend    B. increase    C. lengthen    D. magnify