I’m Lin Yue. In March, 2022, COVID-19 started suddenly in my city. It was so serious that the whole city was locked down. At the very beginning of the lockdown (行动限制), some old people, especially those living alone, had difficulty getting vegetables.

One day, in the community WeChat group, an old man said that he was short of vegetables so I had an idea of setting up a food bank in the community, and my neighbors were also ready to offer help.

To keep social distancing (社交距离), I used a large box as the food bank, and put it in the public area. Neighbors could give away and get some food there. The large box was quickly filled with vegetables, rice and snacks.

One evening, I saw a bag of vegetables with a note saying “These are fresh vegetables. Please take them home if you need.”

In the WeChat group, an old lady who got the vegetables said, “I was so moved by the good-will (善意), but I only took three tomatoes, because I wanted to leave the rest for those people really in need.”

There were many similar stories in my city during the lockdown. Although COVID-19 keeps us apart, we can get through the hard times as long as we pull together.

根据短文内容，回答下列问题。

（1）When did COVID-19 start suddenly in the city?

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（2）Who had difficulty getting vegetables?

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（3）Where did the writer put the large box in the community?

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（4）Why did the old lady only take three tomatoes?

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（5）What can we learn from the passage?

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