有关牙膏的数学问题。 （1）小红去买牙膏。同一品牌两种规格牙膏的售价情况如下：1

根据对话内容，从方框内的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项
A: Hello, Mr. Brown. I haven’t seen you for a long time. 小题1:       　　
B: I have been to China and stayed there for three years.
A:小题2:       　　
B: I studied Chinese food culture there.  
A: What’s your favorite Chinese food?
B: Dumplings.小题3:　      　 They are delicious.
A: Have you ever visited many places of interest in China?
B: Yes, I have. 小题4:　     　　 They are so amazing that I have visited them several times.
A: I am looking forward to traveling around China some day.
B: 小题5:       　

A. I visited the Great Wall, the West Lake, Sanya Beaches and Mount Tai. B. How did you go there? C. I hope your dream will come true soon. D. What did you do there? E. The museum has a long history.   F. Where have you been? G. They are traditional Chinese food.