Since the introduction of the new technique, the production cost ______ greatly.

游客2023-10-04 36

问题 Since the introduction of the new technique, the production cost ______ greatly.

选项 A、reduces
B、is reduced
C、is reducing
D、has been reduced

答案 D

解析

转载请注明原文地址:https://www.tihaiku.com/zcyy/3069645.html

相关试题推荐

随机试题

最新回复(0)

Sincetheintroductionofthenewtechnique,theproductioncost______greatly.