1)
Why does it say that Ezra brought the Torah, and not the Sefer Torah?
1.
Malbim: Here it includes oral Torah - he also explained Torah to them.
2)
Why does it say "me'Ish v'Ad Ishah v'Chol Mevin Lishmo'a"?
1.
Malbim: In front of the women, they recited simple matters. In front of Chachamim, they recited oral Torah and its secrets.
3)
What happened on the first day...?
1.
Ibn Ezra: This refers to the Reisha - Ezra brought the Torah.
4)
What is the seventh month?
1.
Rashi: It is Tishrei. This was Rosh Hashanah.
