II. Pick out the word whose stress is placed differently from the others in each group. Identify your answer by writing the corresponding letter A, B, C or D on your answer sheet.
1. A. collect B. advise C. practise D. prepare
2. A. Improvement B. resident C. department D. environment
3. A. university B. documental C. historic D. electricity
4. A. graduation B. agricultural C. industrial D. recommend
5. A. intelligent B. difficult C. interesting D. hospital
help me . mk tích