Trắc nghiệm Tiếng Anh Toeic - Part 5 Test (Đề 5)

Several drilling-technology experts will present the results of their ____ on June 23 A. comprehension B. resolution C. investigation D. specification

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Several drilling-technology experts will present the results of their ____ on June 23 

comprehension

resolution

investigation

specification

Giải thích

Chọn đáp án C