-Our classroom__________ every day.-So it is. It’s our duty to keep it clean and tidy.A. cleans B. is cleaning C. is cleaned
Xiao Lin is not only the secretary of the club but also engineer. A. The B. An C. A
—Do you mind if I play the piano? —______. My baby is sleeping. A. Don’t do that B. You’d better not C. Yes, I do
—What about a picnic this Sunday? —______. A. Sounds great B. I think so C. That’s nothing
—Would you like to have dinner with me? —______. A. That’s all right B. Certainly not C. Yes, I’d love to
—I’m sorry for losing your book. —______. A. Never mind B. So careless C. You’re welcome