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Choose the word that has the underlined part pronounced differently from
that of the others: (1m)
1. A. started        B. measured     C. called       D. weighed
2. A. chopstick      B. touch         C. catch       D. stomach
3. A. hate          B. height         C. weight       D. eight
4. A. serious        B. symptom       C.sugar        D. sauce