Mik hứa sẽ vote 5 sao, tim , cho ctlhn ạ l . Circle A, B, C or D before the word whose underlined part is pronounced differently from that of the others 1.A desert B. prefer C. held D.celebrate 2.A future B. nature C. question D.pollution 3.A.effect B. renewable C.energy D.respect 4.A.vehicle B. rehearse C. helicopter D. perhaps II. Circle A, B, C or D before the word whose main stress position is different from that of the others. 1.A. happy B. alive C. busy D. early 2.A. advantage B. atmosphere C. motorbike D. generate 3. A. equipment B. effective C. difficult D. pollution 4. A. gather B. relax C. ẹnjoy D. rename 5. A. negative B. forever C. natural D. biogas 6. A. effective B. regular C. different D. serious C