问题
选择题
________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
答案
答案:D
________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
答案:D