GS4 - To infinitive or Gerund?

_______ fun of other people is not nice. (make)

________ is bad for your health. (smoke)

I hate ______ (be) late. Hurry up!

I tried ______ (buy) the tickets online to see Coldplay, but they were sold out.

_______ overtime is quite common in this company. (work)

I like _____ (go) to the hairdresser at least once a month.

We've decided _____ (postpone) the meeting until later.

He promised _____ me when he gets back. (phone)

________ fruits and vegetables is good for your health. (eat)

_______ a parking space is quite difficult in this area. (Find)