Jawabanmu

2014-09-01T01:56:56+07:00
I go to mall when mr yudith comes to my home
2014-09-01T02:00:59+07:00
I go to the mall when Mr. John comes to my house.
Or
I went to the mall when Mr. John came to my house.
Or
I was going to the mall while Mr. John came to my house.