_____ this cake, you’ll need [ ]

Heroes are those who，givena choice between doing the right thing at great personal cost or the wrongthing for great personal benefit，＿＿＿＿theformer

I’m sure I will get good marks in the finalexam.— I believe your parents will ______ your study ifyou try your best.

Where’s your father —He __________ to work.

We should ________ the light when you leave the room.— Yes. We must learn how to save electricity.