The most important part in the machine is not ______ installed due to the short

游客2025-06-11 19

问题 The most important part in the machine is not ______ installed due to the short of money.

选项 A、ever
B、never
C、meanwhile
D、yet

答案 D

解析语法题。分析题干可知，资金短缺，所以最重要的那部分应该是还没有安装。空格前有否定词not，所以空格处应填入一个表示肯定意义的副词，与not一起表示“还没有……”的意思。纵观四个选项，只有D项符合题意。故选D。

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