They usually spend two hours _______ their homework every day.A. do B doing C to do
Sally often helps me study English. And I help her study Chinese. We help _____.
—____, Tom. Is this your book?—No, it isn’t. I think it’s ____.
—What class are you in?—I’m in ____, ____.
—What does she look like?—____
—How do you spell it?—_______.