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The production of the factory increased 30% this year.A.have; byB.have; atC.has;

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The production of the factory increased 30% this year.A.have; byB.have; atC.has;

The production of the factory ________ increased ________ 30% this year.

A.have; by

B.have; at

C.has; by

D.has; at

试题答案

C