Исправте ошибки. 1)all of my friends already were in the crimea, weren't they? 2)why he doesn't watch tv? " 3)many people prefer to rest in the forest, aren't they?

1) All of my friends have already been in the Crimea, haven't they?

2) Why doesn't he watch TV?

3. Many people prefer to rest in the forest, don't they?