Since the introduction of the new technique, the production cost______greatly.A、

游客2025-02-01 20

问题 Since the introduction of the new technique, the production cost______greatly.

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

答案 B

解析

转载请注明原文地址:https://tihaiku.com/zcyy/3938888.html

相关试题推荐

随机试题

最新回复(0)

Greatereffortstoincreaseagriculturalproductionmust______iffoodshortagei