Choose the words whose underlined part is pronounced differently from that of the others in each group. 1. A. hydroelectric

Choose the words whose underlined part is pronounced differently from that of the others in each group.
1. A. hydroelectric B. environment C. solar D. biogas
2. A. pleasure B. feed C. heat D. meat
3. A. plentiful B. electric C. renewable D. energy
4. A. few B. knew B. truck C. new D. sew
5. A. nuclear C. abundant D. dump