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questionable  
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KK:[ˈkwɛstʃǝnǝbḷ] DJ:[ˈkwеstʃǝnǝbǝl]

形變: 比較級:more questionable  最高級:most questionable  

權威釋義



單選題

Although the police gave a thorough ___ of the explosion case under investigation for a long time, the public were still suspicious of many questionable points.


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