The machine _____, the next step was how to operate it.A、having been installedB

游客2024-08-04 46

问题 The machine _____, the next step was how to operate it.

选项 A、having been installed
B、had been installed
C、having being installed
D、has been installed

答案 A

解析

转载请注明原文地址:http://tihaiku.com/zcyy/3705101.html

相关试题推荐

随机试题

最新回复(0)

TheNobelPrizeinLiteraturefor2016is______toBobDylan"forhavingcreated