Complete the sentences with the correct constructions

1. There is a chance
   [going to the mountains|that we go to the mountains] .
2. I am thinking
   [about quitting|for quitting] this job, I have overgrown it.
3. I am absolutely sure
   [he to be loyal|that he is loyal] to his partners.
4. I am certainly not
   [going to spoil|bound to spoil] your evening, but tomorrow I will have my explanations.
5. I expect
   [in going|I'll go] abroad in a few months.
6. I am hoping
   [to celebrate|for celebrate] the most magical Christmas ever.
7. I thought I might
   [to seem|seem] appealing to him.
8. I doubt
   [if I will arrive|to arrive] on time, I have things to do in an office.