Peter ________ to help our math teacher carry books yesterday.
I’m not sure_______.
—Mum! I’m hungry! Is there any bread left?---______ at all. We’d better go and get some.
It’s difficult ______me to afford the car. And It’s generous ______you to help me.
--Tea or juice?--_______. I prefer coffee ______ milk.
—I wonder if he ______ in the discussion tonight?---I believe if he _____ his homework, he will join us.