II. Choose the word whose main stress position is placed differently from the others in each group.
1. A. vocabulary B. influential C. engineering D. biological
2. A. tourism B. dictionary C. household D. computer
3. A. geography B. imaginative C. comfortable D. unless
4. A. ashamed B. absent C. because D. instead
5. A. advantage B. laboratory C. bamboo D. courage
1. A. vocabulary B. influential C. engineering D. biological
2. A. tourism B. dictionary C. household D. computer
3. A. geography B. imaginative C. comfortable D. unless
4. A. ashamed B. absent C. because D. instead
5. A. advantage B. laboratory C. bamboo D. courage