Подберите подходящее слово из 2х вариантов

1. The book is worth to read/reading
2. I was happy to hear/hearing the results of my exams
3. Tom apologized for to be/being rude to me
4. Gagarin was the first to fly/flying into space
5. I saw my granny to cook/cooking dinner
6. I suggest to go/going to the park after lunch