----- Nội dung ảnh ----- I Mark the word A,B,C,D whose underlined part is pronounced differently from the others. 1. A. out B. round C. about D. would 2. A. chair B. check C. machine D. child 3. A. too B. soon C. good D. food 4. A. though B. enough C. cough D. rough 5. A. happy B. hour C. high D. hotel