This is a test of commonsense with single/multi-choices. Complete the next sentence:

Walking down the street holding onto a skate board the boy puts his board down and begins to skate. then three friends

Options:
(I) join him and they skate down the road..
(II) come out onto the street and pick him up in a high engulfed hug as they watch him skate across the streets..
(III) join him and they continue walking around the sidewalk until a person cuts them off..
(IV) own skateboards and start to perform tricks on them going down the roads..
The answer is:
(I)