I. Find the word which has a different sound in the part underlined. Read the words aloud. 1. A. cession B. sleep C. say D. exciting 2. A. sheet B. sad C. show D. shut 3. A. expensive B. instead C. outside D. mission 4. A. sing B. special C. social D. artificial 5. A. spend B. city C. bicycle D. nation 6. A. musician B. song C. physician D. ancient 7. A. intention B. recycle C. center D. century 8. A. efficient B. conscience C. audacious D. south 9. A. ambitious B. cigar C. circle D. citizen 10. A. ocean B. story C. conscious D. ensure