Sure! Here are the words with different stress patterns identified:

1. **B. sandwich** - The stress is on the first syllable (SAND-wich), while the others (watch, highway, write) are single-syllable words.

2. **A. which** - This is a single syllable word with different stress compared to the other three which are also single-syllable but have a different vowel sound at the start.

3. **A. website** - This word has stress on the first syllable (WEBS-ite), while the others: answer (AN-swer), away (a-WAY), and where have different stress patterns.

4. **A. sword** - This is a single-syllable word, while the others (welcome, reward, crossword) have two syllables and their stress falls on the first syllable.

5. **A. whose** - This is a single syllable word, while the others (while, white, between) have different syllable structures/stress patterns.

Let me know if you need further assistance!