I was doing my homework _______ my mother was doing some sewing. 

Don’t pay for the coffee. It’s        .

-What's your favorite              ? -Surmmer. Because I can swim in the river in summer.

—What is your mother going to do this Saturday?—I’m not sure. She ______ go to see my grandmother.

—Look! How _________ the market is!—Yes. There are always lots of people buying things there.