Mark the letter A, B, C or Don your answer sheet to indicate the correct answer to each of the following questions I know it works in theory, but try putting it into ____________ and you'll

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Mark the letter A, B, C or Don your answer sheet to indicate the correct answer to each of the following questions

I know it works in theory, but try putting it into ____________ and you'll find out it's failure

procedure

exercise

performance

operation

Giải thích

Đáp án D

put into operation: đưa vào vận hành, sử dụng

Các đáp án khác:

procedure /prə'si:dʒə[r]/: thủ tục, quy trình

exercise: sự tập luyện

performance: màn trình diễn