Choose and circle the word whose underlined part is pronounced differently

PART A
I.Choose and circle the word whose underlined part is pronounced differently.
3. a)decided   b)fitted   c)surrounded   d)walked
5. a)collect   b)certain   c)complete   d)correct
6. a)happy   b)honest   c)high   d)house
7. a)sure   b)injure   c)mixture   d)pleasure
II.Choose the word that has different stress pattern in each line.
1. a)bambo   b)prepare   c)visit   d)prefer
2. a)pavement   b)traffic   c)helmet   d)success
3. a)system   b)balloon   c)future   d)traffic
3.