I. Choose the word that has the underlined part pronounced differently from the others

1. a. pottery          b. flower               c. sister                 d. service

2. a. girl                b. expert               c. open                 d. burn

3. a. sentence        b. world                c. picture              d. dangerous

4. a. surfing           b. collect               c. concert              d. melody

5. a. worst             b. learn                 c. control              d. dessert

6.a.leaf                   b.life                       c.knife                    d.of

7.a.paragraph         b.cough                   c.although              d.enough

8.a.torch                 b.pot                       c.omelette              d.orange

9.a.sport                 b.fork                      c.storm                  d.coffee

10.a.audience         b.sauce                    c.sausage              d.taught

11.a.expert             b.allergy                   c. singer               d.answer                 

12.a. food               b.leaf                       c.of                      d.safe

thi sắp tới rồi, cao nhân nào giúp với ạ :3