Choose the word A, B, C or D whose underlined part is pronounced differently from the others

Ex1. Choose the word A, B, C or D whose underlined part is pronounced differently
from the others.
1. A. rubbish B. uniform C. umbrella D. thumb
2. A. appear B. weather C. bread D. headache
3. A. project B. belong C. woman D. concert
4. A. think B. though C. mother D. these
5. A. eraser B. baseball C. suitcase D. waterfall
Ex2. Choose the word A, B, C or D whose main stress is different from the others in
the group.
6. A. pencil B. raincoat C. arrive D. notebook
7. A. enjoyable B. power C. permission D. explore
8. A. photography B. minority C. heroic D. visit
9. A. translation B. difficult C. unluckily D. agree
10.A. Vietnamese B. engineer C. celebration D. product