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investigation
investigation
1.
After days of investigation, the police were ____ reality.
2.
The （）proposal asks for approval to begin a study or an investigation.
3.
The investigation area should be consistent with the sales scope of the enterprise’s products.
4.
When you identify the particular research problem under investigation, you could mention （）.
5.
In （） of criminal investigation, a judge might also be an examining magistrate.