Choose the word which different underlined sound

I. Choose the word which different underlined sound.
1. A. repair B. share C. fear D. spare
2. A. without B. together C. bath D. leather
3. A. volunteer B. nightmare C. clear D. cheerful
4. A. borrow B. close C. work D. cold
5. A. breathB. fatherC. ninth
D. thrill