填空题
情景：这个暑假你和父母一起去上海看望了你的爷爷和奶奶，并在那里玩得很愉快。
任务：请你用英语给你的同学写一则50字左右的短信，告诉他：
(1)你和父母是什么时候以及怎样到上海的；
(2)你在上海的一些所见所闻；
(3)问候你的同学。
请用下面格式：
Dear Li Ming,
yours,
Liu Wei
【正确答案】
【答案解析】[参考范文]
Dear Li Ming,
I'm very glad to receive your letter of September 17.
In this summer holiday, my family -- my parents and I went to Shanghai to see my grandpa and grandma. We went by plane and arrived there on July 30. We saw a lot of tal} buildings there. We also visit the famous TV Tower and Nanjing Road, where we bought many interesting things. Shanghai is a beautiful city and I hope you can visit it sometime.
Best wishes to you.
yours
Liu Wei