Infinitive or gerund?

I can't promise ____ on time.

• to be

• being

_____ is better exercise than running.

• To swim

• Swimming

Would you like _____ to my party?

• to come

• coming

Do you mind ____ so loudly?

• not to talk

• not talking

It was very interesting _____ my old school again.

• to see

• seeing

He works at weekends ___ earn more money.

• to earn

• earning

On Sundays she likes ___ and ___ anything

• to relax and not do

• relaxing and not doing

We were unhappy with the service, so the restaurant offered ____ us a free dinner.

• to give

• giving

Is it difficult _____ Japanese?

• to learn

• learning

He's very competitive. He thinks ____ is the most important thing.

• to win

• winning