1)
What is the Chidush that Rus will do all that Na'ami commands her?
1.
Malbim: Even though you said "he will tell you what to do" (4), I will ask your counsel.
2)
Why do we read "Elai"? It is not written at all!
1.
Torah Temimah citing Nedarim 37b: This is a tradition from Sinai. Torah Temimah - even though Shmuel ha'Navi wrote Megilas Rus, Moshe was shown everything on Sinai, and received a tradition to pronounce "Elai", even though it is not written.
