________different kinds of pianos, the factory is sure they can satisfy people's needs . [ ]A.

题目简介

________different kinds of pianos, the factory is sure they can satisfy people's needs . [ ]A.

题目详情

________different kinds of pianos, the factory is sure they can satisfy people's needs .
[     ]
A. To produce  
B. Being produced
C. Produced  
D. Having produced
题型:单选题难度:中档来源:山西省同步题

答案

D

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