题文
__________ a certain doubt among the people as to the practical value of the project.
| A．It has |
| B．They have |
| C．It remains |
| D．There remains |
推荐试卷
__________ a certain doubt among the people as to the practical value of the project.
| A．It has |
| B．They have |
| C．It remains |
| D．There remains |
试题篮
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