Let's analyze the words in each group.

1. **A. filled** - The underlined part is pronounced with the short "i" sound.
**B. naked** - The underlined part is pronounced with the long "a" sound (as in "cake").
**C. suited** - The underlined part is pronounced with the long "u" sound (as in "suit").
**D. wicked** - The underlined part is pronounced with the short "i" sound.

For **Question 1**, the answer is **B. naked**, as "a" (long sound) is pronounced differently from the others.

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4. **A. bunches** - The underlined part "-ch-" is pronounced as /ʧ/.
**B. hunches** - The underlined part "-ch-" is pronounced as /ʧ/.
**C. phones** - The underlined part "-ph-" is pronounced as /f/.
**D. knowledges** - The underlined part "ledge" is pronounced as /ɪdʒ/.

For **Question 4**, the answer is **C. phones**, as "ph" (pronounced as /f/) is pronounced differently from the others.

So, the final answers are:
1. B. naked
4. C. phones