Tìm trọng âm

Tìm trọng âm
1. a. biology    b. psychology    c. economic    d. geography
2. a. sociology    b. physics    c. lunatic    d. traffic
3. a. Japanese    b. engineer    c. bibliography    d. technology
4. a. geology    b. referee    c. Vietnamese    d. Nepalese
5. a. classes    b. historic    c. logic    d. Tsunami