Infinitive or gerund

We regret _____ that all buses to Nottingham will experience delays due to bad weather conditions.

I and brother meant ____ some studying last night, but Alicia called and we both spent half an hour on the phone.

._____ the impact of educational options, researchers took into account the fact that students participating in school choice were likely _____ from nonparticipants in terms of motivation.

In the 1930s, physicists devised machines for _____ subatomic particles by electromagnetic forces and making them ___ _ faster and faster.

We went from_____ on the other side of the world to _____ everything together.

Every bed has a 15-inch LCD screen attached to a pull-out arm on the wall that lets patients_____ _ TV or make phone calls.

I’m sorry for _____ your new watch. Will you forgive me?

If you happen_____ the prize, what will you do?

He is learning ____ football these days.

The turtle at last gave up by______his feet under his shell.

He advised me____ for the interview at home.

I am going to explain why I decided _____ to college.

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