1. Mark A, B, C, or D to indicate the word whose underlined part differs from the other three in pronunciation:
- **1. A (serious)** (the 's' is pronounced as /ʒ/, while the others contain /s/)
- **2. B (itchy)** (the 'i' is pronounced differently compared to the others)
- **3. C (hygiene)** (the 'hy' has a different vowel sound than the others)
- **4. D (construction)** (the 'c' is pronounced differently than in the other words)
- **5. A (tram)** (the 'tr' sound is different than in the others)

2. Mark A, B, C, or D to indicate the word that differs from the other three in the position of primary stress:
- **1. A (locate)** (the stress is on the second syllable, while the others have stress on the first)
- **2. B (mingle)** (the stress is on the first syllable, while the others have varied stress patterns)
- **3. C (develop)** (different stress pattern compared to the others)
- **4. D (delicious)** (the stress is placed differently than the others)
- **5. C (restaurant)** (the stress is positioned uniquely compared to the other words)