Infinitive vs Gerund

Don’t put off … a report till the end of the month

John refused … my question. 

Fred can’t afford … this year. 

I don’t mind … up.

It is too late .... to the concert. It started an hour ago.

They couldn't help ___________ at his jokes.

Would you like __________ to the shops with me?

You should avoid________fast food.

We managed ________our project on time.

She tried ________ the car, but it wasn`t easy.

I can`t stand _______ in crowded places.

She is looking forward to_________ a lot of exciting places.