Gerund vs Infinitive (English File, Pre-Intermediate)

I can't promise __________ on time.

__________________ is better exercise than running.

Would you like _______________ to a concert on Sunday?

It was very interesting ________________ my old school friends again.

Do you mind _________________ so loudly?

Duncan works at weekends ___________ more money.

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

Is it difficult _________________ Japanese?

James is very competitive. He thinks ___________ is the most important thing.

We spent all evening __________________.

They drove without ___________________ for six hours.

The man pretended __________________ the policeman.

I'm going to evening classes to __________________ my French.

I want to _________________ working until I'm 70.

I ____________________ the ironing. It's quite relaxing.

We've ______________ to go to France for our holiday.

I don't ________________ going out tonight. I'm tired.