Circle the word that has the underlinded part pronounced differently from the rest
1.A. Invite B. Refill C. High D. Wireless ( chữ i )
2.A. Iron. B. Syombol. C. Mordern. D. Common. ( chữ o )
3. A. Design. B. Space. C. Solar. D. School. ( chữ s )
4. A. Special. B. Cause. C. Cool. D. Comedy. ( chữ c )