Machines help peole do work with time.A. more…lessB. many fewC. more and more less and

问题补充：

Machines help peole do work with time.

A. more…less

B. many ,few

C. more and more, less and less

D. many and many… few and few

答案：

A. more…less

B. many ,few

(答案→)C. more and more, less and less

D. many and many… few and few

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