A. concerned B. cleaned C. learned D. opened

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Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

concerned

cleaned

learned

opened

Giải thích

Đáp án C

Kiến thức về cách phát âm đuôi -ed

A. concerned /kən'sɜ:rnd/ B. cleaned /kli:nd/

C. learned /lɜ:nid/D. opened /’əʊpənd/