【theexperimenttheyhaddevotedthemselvesto（be）turnedoutafailure?要be吗?】
2022-05-15 26次 反馈错误 加入收藏 正确率 : 100%
题目内容：
the experiment they had devoted themselves to （be） turned out a failure? 要be 吗?
优质解答
不要.看断句：
the experiment / they had devoted themselves to / turned out a failure.
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