1)
What are the connotations of "Lifnei Hashem"?
1.
Rashi: It means within the walls of Yerushalayim.
2)
Why does the Torah add the words "asher bi'She'arecha" after "ve'ha'Levi"?
1.
Rashi: To teach us that 'If you don't have sufficient Ma'aser Rishon to give him, give him Ma'aser Ani, and if you don't have Ma'aser Ani, invite him to your table'.