II. Choose the word whose main stressed syllable is placed differently from that of the other in each group.
1. A. contain B. achieve C. improve D. enter
2. A. unfriendly B. century C. gallery D. quality
3. A. dangerous B. plentiful C. another D. limited
4. A. easily B. consumption C. energy D. negative
5. A. disappointed B. competition C. representative D. participate
6. A. complete B. worksheet C. explain D. observe
7. A. musician B. enormous C. natural D. improvement
8. A. dangerous B. countryside C. energy D. volunteer
9. A. open B. prefer C. abroad D. arrive
10. A. harvest B. parade C. music D. pumpkin
11. A. listen B. travel C. borrow D. obey
12. A. traffic B. agree C. noisy D. student
II. Choose the word whose main stressed syllable is placed differently from that of the other in each group.
1. A. contain B. achieve C. improve D. enter
2. A. unfriendly B. century C. gallery D. quality
3. A. dangerous B. plentiful C. another D. limited
4. A. easily B. consumption C. energy D. negative
5. A. disappointed B. competition C. representative D. participate
6. A. complete B. worksheet C. explain D. observe
7. A. musician B. enormous C. natural D. improvement
8. A. dangerous B. countryside C. energy D. volunteer
9. A. open B. prefer C. abroad D. arrive
10. A. harvest B. parade C. music D. pumpkin
11. A. listen B. travel C. borrow D. obey
12. A. traffic B. agree C. noisy D. student