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________acertaindoubtamongtheworkersastothenecessityoft...

練習題1.61W

問題詳情:

________acertaindoubtamongtheworkersastothenecessityoft...

________ a certain doubt among the workers as to the necessity of the work.

A.There existed  B.It existed

C.There had  D.It had

【回答】

A 此處There existed a certain doubt=There was a certain doubt,是There be結構的變式。

知識點:固定句型

題型:選擇題

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