where are you going this summer holiday?I _ go to Canada, but I’m not sure.A.can B.may C.must
—What are you listening to? —A song by Huo Zun. It ______ beautiful.
—I’m busy with my schoolwork these days. —That’s great! You won’t get good grades ______ you work hard.
—Whose pencil box is this? —It _____ be Tom’s. It has his name on it.
—______ do you surf the Internet? —About twice a week.
—Do you often play ______ tennis after school? —No, I don’t like sports. I often play______ guitar.