Here are the best choices for each sentence:

1. **Choose the word which has a different underlined part:**
- **cabbage** (the underlined part 'cab' is different from 'pack' 'teen' 'aver')

2. **Choose the word which is stressed differently:**
- **feature** (the stress in 'feature' is on the first syllable, while the others are on different syllables)

3. **Santorini in Greece is as beautiful as a _____:**
- **paradise**

4. **Averybury in England is a _____ stone circle:**
- **majestic**

5. **We chose a _____ for our holiday:**
- **hotel**

6. **Although immigrants _____ language:**
- **second**

7. **Viet is _____ in English and Vietnamese:**
- **bilingual**

If you need further explanations or clarifications, feel free to ask!