______a certain doubt among the people as to the practical value of the project.

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问题 ______a certain doubt among the people as to the practical value of the project.

选项 A、It has
B、They have
C、It remains
D、There remains

答案D

解析这句话实际上是there be句型，这里的系动词is用remains代替了。

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中学英语

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