Dear Mr. President,

The second paragraph: leads to the purpose of writing a letter

Topic sentence: This letter was sent to you from _ _ _.

Extended sentence: It puts forward some ideas for your reflection.

The third paragraph: positive views on the school canteen.

Topic sentence: As you know, _ _ _ _ _ _. But unfortunately, _ _ _ _.

Extended sentence: 1, _ _. As a result, _ _ _ _ _.

2. In addition, _ _ _ _ _.

3. More importantly, _ _ _ _.

The fourth paragraph: negative views on the school canteen.

Topic sentence: Some people may think that _ _.

Extended sentence: 1, for example, _ _ and _ _.

2. But in my opinion, _ _ _ _ _.

The fifth paragraph: At the end, show your opinion.

Ending sentence: believe that through a little dissatisfaction _ _ _ _.

I believe that through the efforts of all relevant personnel, we can solve the problems there. Thank you. Li Ming.