The original research facility was______in 1967 thanks to the foresight of our f

游客2025-06-15 20

问题 The original research facility was______in 1967 thanks to the foresight of our founding chairman.

选项 A、build
B、building
C、to build
D、built

答案 D

解析主语是research facility，备选答案的动词原形为build，两者应构成被动语态。答案是(D)built.

转载请注明原文地址:https://tihaiku.com/zcyy/4119360.html

相关试题推荐

随机试题

最新回复(0)

Theresearchanddevelopmentsectioniscurrentlyexperimentingwithtwonew____