I.Mark the letter A, B, C or D on your answer sheet to indicate the word whose underlined part is pronounced differently from that of the others.

1. A. flood B. food C. roof D. noon

2 A. effect B. necessary C. environment D. resident

3. A. conference B. tablet C. webcam D. internet

4. A. connection B. technology C. holography D. conference

5. A. social B. telephone C. respond D. mobile

Giúp mik vs