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

Câu hỏi :

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

A. Commercial

B. commercialise

C. commercially

D. commerce

* Đáp án

C

* Hướng dẫn giải

Đáp án C

commercially (một cách thương mại hóa)

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