_________ is often the case with a new idea, much preliminary activity and optim

游客2023-11-08 55

问题 _________ is often the case with a new idea, much preliminary activity and optimistic discussion produced no concrete proposals.

选项 A、That
B、It
C、this
D、As

答案 D

解析 “as”引导的方式状语从句。

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