ответить на вопросы: 1) when do people feel lonely? 2) what is the usual of raing? 2) when and where must people be careful?

1) when do people feel lonely?
People feel lonely when there is nobody to speak to or when there is nothing to do.

2)  what is the usual of raing? проверьте по тексту!
нет такого слова - raing

3) when and where must people be careful?
People must be careful when they cross the road, when they drive cars, when they do something with sharp items. People must be careful with fire. People must be careful with some animals (snakes, bees, dogs).