Jim has been to the Great Wall before, ______ he?A. has B. does C. hasn’t
—To achieve a bright future, we shouldstudy hardkeep in good health. —I agree with you.
—I fell down from my bike and hurt my left leg yesterday. —.
—Is there on TV tonight? — No, there isn’t.
—Could you tell me ? —By searching the Internet.
—Can you come to my party this Saturday, Lucy? —. I have to visit my grandparents.