Say a cause: I didn't feel safe.
I want to _____ my gift to see what I got.
open
This is a _____bag. I put food in it.
plastic
She will _____ juice into the glass.
pour
I like to put a lot of ______ in my tea.
sugar
She makes a _____ of milk, chocolate, and sugar.
mixture
She ______ the window because it's cold.
closes
Say an effect: I exercised for two hours.