Thescientist and engineer_______(have) invented a new machine．（用单词的适当形式完成句子）-组卷网

语法填空-单句语填适中0.65 引用2 组卷114

The scientist and engineer_______(have) invented a new machine．（用单词的适当形式完成句子）

20-21高二上·福建莆田·阶段练习

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