Gerund or infinitive

I can't imagine Peter __________ (go) by bike.

He agreed _________ (buy) a new car.

The question is easy __________ (answer).

The man asked me how ______ (get) to the airport.

I look forward to _____ (see) you at the weekend.

Are you thinking of ____________ (visit) London?

We decided _________ (run) through the forest.

The teacher expected Sarah ________(study) hard.

She doesn't mind ________ (work) the night shift.

I learned _________ (ride) the bike at the age of 5.