How much do I owe you for lunch—– ______ . It’s nothing.

inished writing the novel, ____is to be published next month

Now methods need to beto use the existing water resources, for example, turning sea water into fresh water.

Why, Jack, you look so tired!—Well, I _____the house and I must finishthe work tomorrow.

“Let’splayfootballafterschool.”“________.”