Exercise 1: Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from that of the other three in pronunciation in each of the following questions. 1.A. machine 2. A. computer 3. A. laundry 4. A.downloads 5. A. invention 7. A. land B. mind B. volunteer B. rarely C. appliance C. career B. vacuums C. rely C. cleans C. laser C. patent B. engine 6. A. influential B. light B. married C. advice 8. A. keen B. engineer C. sweep 9. A. experiments B. observe C. geology 10. A. ironing B. laundry C. area D. science D. engineer D. gravity D. genius D. technology D. analyst D. activist D. employee D. electronic D. crop