Exercise 5. Choose the word which has the underlined part pronounced differently from that of the rest.
1. A. distribute B. tribe C. triangle D. trial
2. A. profit B. profession C. promise D. poverty
3. A. ploughed B. laughed C. coughed D. locked
4. A. steady B. ready C. breakfast D. steak
5. A. describe B. celebrate C. plumber D. abrupt