情景：快放暑假了，妈妈让你给上海的爷爷奶奶写一封信。

任务：请你用英语给爷爷奶奶写一封50左右的短信。内容包括：

1 向他们问候; 2 你在学校的情况如何; 3 你暑假打算做什么。 请用下面格式：

Dear grandma and grandpa ,

……

Mimi

范文：

Dear grandpa and grandma ,

How are you ?

I’m doing well at school now . My father and mother are pleased with my marks . Of all the subjects . I like maths best . I’m also interested in English . Our summer holiday begins on the fourth of July . I want to spend the holiday with you , and my parents agree with me . Now I’m looking forward to seeing you again .

Mimi