Are there any diffferences in the following sentences?

1)People tend to amass possessions, sometimes without being aware of doing so. Indeed they can have a delightful surprise when they find something useful which they did not know they owned.
People tend to amass possessions, sometimes without being aware of doing so. Indeed they may have a delightful surprise when they find something useful which they did not know they owned.
2)Why, you can wonder, should spiders be our friends?
Why, you may wonder, should spiders be our friends?
3)It is possible that the road is blocked.
It is possible for the road to be blocked.

Кто знает где можно скачать новые игры и приложения для телефона

Кто знает где можно скачать новые игры и приложения для телефона

  1. “can” or “may”.

  2. “may”

  3. These mean different things “It is possible that the road is blocked” is talking about the present situation (maybe it is blocked now). “It is possible for the road to be blocked” is talking about general possibility (sometimes it is blocked, we can arrange for it to be blocked, etc.)

  1. “can” or “may”.--------Sorry, I don’t understand what you say. Can you explain in detail, please?
    2, “may”-------Do you mean that only ‘may’ here is correct ?

1 You can use either (Here, you may use either’ is also correct).

  1. Yes, only ‘may’ is correct.

1.no matter what you choose (‘can’ or ‘may’),there is not any differences here. right?

There is no significant difference in meaning.

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Для телефона я скачиваю новые скачать бесплатно фильмы для андроидов и здесь игры и приложения
программы для android бесплатные