to verb or verbing

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.