—We are going on a visit to the Great Wall.
—_______ [ ]
A. Have a good time.
B. Don't waste time.
C. I am so sorry to hear that.
答案:A
—We are going on a visit to the Great Wall.
—_______ [ ]
A. Have a good time.
B. Don't waste time.
C. I am so sorry to hear that.
答案:A