Choose the word which has a different stress pattern

B. Choose the word which has a different stress pattern:

1. a. allergy          b. seafood               c.computer

2. a.stomach         b.aerobics               c.sickness

3. a.donate           b.difference              c.recycle

4.a.tradition         b.homeless               c.service

5.a. omelette        b. banana                 c. pancake

6.a. imperial        b university              c. pavilion
GIÚP MÌNH VỚI MN, MÌNH CẦN CẦN GẤP LẮM