Infinitive or Gerund

As an English proverb says "It's no use  ....over spilt milk."

George has a Newfoundland dog, Strickland by name, and he is responsible ..... it twice a day.

Len was looking out of the window ......... listening to what his wife was saying.

I don't approve of your behavior. You'd better stop .......... with everybody.

I am not at all sure if Arthur is really interested .......... the truth.

Where do you and your friends plan .......... for the next summer vacations?

Why would you suggest .......... her? She can cope with the task all by herself.

Sheila is very upset. She isn't used ........being treated like that.

The child hurt her leg badly and started to complain ........ having severe pains in it.

Your reproach is not fair. I am surprised .......... your having said this.

Ben asked to excuse him .......... not being able to get in touch with me.

I wish the weather would get better. I am tired ........... having to be indoors all the time.

I believe I will still have an opportunity .............. you to my school buddies.

I enjoy making practical jokes about people, but I hate ............ fun of.

I know it's my fault. I'd like to beg your pardon......... letting you down.

Don’t forget ___ everything I asked for.

We arranged ___ back home on 10 June.

Sam hopes ___ an academic scholarship.

We usually learn ___ at school.

I can’t stand ___ in the countryside.