19．A number of new machines were introduced from abroad, an increase in production. A．resu——青夏教育精英家教网—

摘要：19．A number of new machines were introduced from abroad, an increase in production. A．resulted in B．to result in C．result in D．resulting in

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A number of new machines were introduced from abroad，______ an increase in production.

A．resulted inB．to result in C．result inD．resulting in

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