题目内容：

假定你是Robert国际学校的学生李华，在即将毕业离开学校之际，代表所有毕业生在毕业欢送会上发言。

内容包括:

1. 向学校和老师表示感谢;

2. 对同学的祝愿。

注意:1. 词数100左右;

2. 可适当增加细节, 以使行文连贯;

3. 开头和结尾已给出, 不计入总词数。

Good morning, dear teachers and friends,

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Thanks again. And all the best to my friends.