Choose the word whose underlined port is pronounced differently from the others

Exercise 1: Choose the word whose underlined port is pronounced differently from the
others.
1. A. share B. paintbrush C. visit D. sure
2. A. television B. exhibition C. emotion D. discussion
3. A. casual B. usual C. pleasure D. museum
4. A. mission B. composer C. finish D. chef

Exercise 2: Put the words in the correct column.
shop                     leisure                     chef                   measure                       ship
pleasure               national                    television           sure                            massage
vision                   cash                           treasure            mirage                         shoe
mash                   collision                      wash                  casual                           fish

/∫/                                       /ȝ/