C if the item is a closed-format question and O if it is an open-format

question.


1. Why do you need a cellular phone?


2. Is calamansi a vegetable?


3. Which do you prefer, milk tea or soda?


4. On scale of 1 to 5, how satisfied are you in the product?


5. Which part of the event did you like most?


Pahelp po. Math ​