When a machine is ______ , suitable material must be chosen for its parts.A、buil

游客2024-06-29 48

问题 When a machine is ______ , suitable material must be chosen for its parts.

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

答案 D

解析

转载请注明原文地址:https://tihaiku.com/zcyy/3654763.html

相关试题推荐

随机试题

最新回复(0)

"Lucky"BrandChocolatesaremadeofsuperiorrawmaterialsbyup-to-datescient