Mark the letter A, B, C, or D to indicate the word that differs from the other three in the position of the primary stress in each of the following questions.
1. A. access B. afford C. brochure D. casual
2. A. donate B. compare C. campaign D. flashy
3. A. legal B. obey C. forbid D. impose
Choose the word whose underlined part is pronounced differently from that of the others in each group.
4. A. exist B. mind C. inspire D. provide
5. A. refusal B. music C. student D. studying
6. A. lecturer B. medium C. inventor D. president
