Choose the words whose underlined part is pronounced differently from that of the others in each group

Here are the words with the underlined part pronounced differently from the others in each group:

1. A. **should** (the "ou" is pronounced differently)
2. B. **crooked** (the "oo" is pronounced differently)
3. B. **fruit** (the "ui" is pronounced differently)
4. A. **spoon** (the "oo" is pronounced differently)
5. A. **boomed** (the "oo" is pronounced differently)
6. A. **childhood** (the "ch" has a different sound)
7. A. **wooden** (the "oo" is pronounced differently)
8. A. **fruitful** (the "u" is pronounced differently)
9. C. **looking** (the "oo" is pronounced differently)
10. D. **Brooklyn** (the vowel sounds are different)

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