1.) Angel : "Jim, don't forget to have your credit card with you." Jim : "Why do I have to? I have some cash with me." Angel : "__________ you don't have any money left, you can use this credit card.a. In case
b. Only if
c. If

2.) I'm on my diet. I will eat _______ I feel really hungry. If I'm not that hungry, I prefer not to eat anything.
a. If
b. unless
c. only if

3.) Stefanie : "Why do you bring so many clothes with you?"
Alice : "I bring so many clothes _______ I need to change so often. I heard that Surabaya is a very hot city, but I don't know yet."

a. in case
b. only if
c. if​