A. difficulty B. simplicity C. discovery D. commodity
A. difficulty B. simplicity C. discovery D. commodity
A. difficulty
B. simplicity
C. discovery
D. commodity
A. difficulty B. simplicity C. discovery D. commodity
Đáp án A
difficulty /ˈdɪfəkəlti/
simplicity /sɪmˈplɪsəti/
discovery /dɪˈskʌvəri/
commodity /kəˈmɑdəti/