问题补充：
Dear Mr. and Mrs. Brown,
I’m writing to you from my home in China. I returned
home safe and sound. When thinking of the wonderful day
【小题1】
I spent in New Orleans, I just can’t help think of both of
【小题2】
you. It was very kind for you to have provided everything
【小题3】
to make my stay there such happy experience. I’ve
【小题4】
learned so many, not only English but also culture. And I
【小题5】
really enjoy a great deal, the fun and laughter we shared
【小题6】
them with each other. Thank you very much. I’ll always
【小题7】
remember this trip as well as your kind.
【小题8】
Welcome to China when it’s convenient for you. I’ll be very
【小题9】
glad to show you around. And you’ll surely have a pleased
【小题10】
visit here.
I’ll keep in touch and write you later. Please take care!
Yours faithfully,
Li Hua day 改为days
答案：
(答案→)day 改为days
解析： 略
