题目

His invention ______ of no use by the scientists of that time．
A．considered being B．considered to be
C．was considered to be D．was considered being
哪个正确啊?

提问时间：2021-03-30

答案

His invention ______ of no use by the scientists of that time．A．considered being B．considered to be C．was considered to be D．was considered being选C第一部分应该是他的发明被认为是...,所以是被动过...