Circle the letter to indicate the word that is different from the other three in the primary stress. ⇱Question 1. A. unusual B. expensive C. condition D. popular Question 2. A. garden B. open C. litter D. avoid Question 3. A. exchange B. museum C. recycle D. toothache Question 4. A. exchange B. tutor C. habit D. village Question 5. A. suncream B. jogging C. diet D. affect Question 6. A. virus B. gardening C. pimple D. collect Question 7. A. affect B. homeless C. donate D. provide Question 8. A. service B. common C. develop D. patient Question 9. A. recycle B. sunburn C. acne D. soybean Question 10. A. disease B. hobby C. yoga D. headache
