giúp mình với Exercise 2. Mark the letter A, B, C, or D to indicate the word that differs from the others 6. A. dedicate B. fortunate C. practical D. volunteer 7. A. ensuring B. protecting C. providing D. widening 8. A. donate B. apply C. provide D. study 9. A. successful B. announcement C. ignorant D. experience 10. A. disadvantaged B. environment C. advertisement D. unfortunate
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