ANSWER:

You must stand normally without stretching your feet apart! Simply move towards the person next to you to the direction of the Imam as the sin lies on the other person who refuses to come closer to you. 

In our mosque people don’t want to pray filling the gaps between them…..in each row 20 people can stand but instead 12 people stand….if I want to fill the gap the one beside my right and my left stop me….none wants to come from the row behind to fill the gap….so should I stretch my legs and increase the distance between the two legs in order to fill the gap