A considerable amount of time and money has been invested in ______ this system.

游客2025-05-04 42

问题 A considerable amount of time and money has been invested in ______ this system.

选项 A、defining
B、implying
C、reducing
D、perfecting

答案 D

解析 defining意为“定义”；implying意为“暗示”；reducing意为“减少”；perfecting意为“完善”。本句话意思是：完善这个系统。D项符合题意，如：They worked hard to perfect their dance．(他们卖力地使舞蹈更加完美)。

转载请注明原文地址:https://tihaiku.com/zcyy/4062098.html

相关试题推荐

随机试题

最新回复(0)

Achievingasustainablelifestyletodayisofparamountimportancefortheh