A new technique____, the yields as a whole increased by 20 percent.A、working out

游客2023-10-18 30

问题 A new technique____, the yields as a whole increased by 20 percent.

选项 A、working out
B、having worked out
C、having been worked out
D、to have been worked out

答案 C

解析

转载请注明原文地址:https://tihaiku.com/zcyy/3108413.html

相关试题推荐

随机试题

最新回复(0)

Itisadvisablethattheworkingmother________abalancebetweenworkandfamily