15000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án (Phần 53)

Though built in 1946, computers were sold ______ for the first time in the 1950s A. Commercial B. commercialise C. commercially D. commerce

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Though built in 1946, computers were sold ______ for the first time in the 1950s

Commercial

commercialise

commercially

commerce

Giải thích

Đáp án C