Уворіть правильну форму Present Continuous (am/is/are doing) або Present Perfect Continuous (have/has been doing) використовуючи дієслова в дужках

Several students live together in a flat. Gina is in charge of buying the food. Read
her conversation with Kate. 
GINA:Kate, (I look into) ____ the fridge. There is a lot of food. Is it you, Kate? (you
do) ____it?. It looks as if someone (do) ___ a lot of cooking.
KATE:No. (I not use) ____ the kitchen much. (I eat) ____ at the student cafeteria.
GINA:Well, what about Vera and Julie? (they entertain) _____ their friends here? I’m
sure I’ve heard them talking to friends late at night.
KATE:Well, I think (Vera discuss) _____ politics with her friends during the student
elections. But I'm almost sure (she not cook) ____. You know how she hates
cooking. And as for Julie, (she stay) ____ out late with her friends most nights.
GINA:Anyway, (we spend) ____ a lot of money on food recently.
KATE:Well, it isn’t surprising, is it? (Prices go up) ____.