下面是一副漫画，题目是“妈妈请的家教”。请你描述一下这幅漫画所表达的主题以及感受或想法。
注意： 1 词数： 100左右；
2 短文第一句已经给出，不计入总词数。3 参考词汇： 鹅 goose

The Tutor Mother Invited
This is a funny and instructive picture．______________________________________________ 
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