1)
How will Hashem put His eye on them for the good?
1.
Malbim: My Hashgachah will be on them in their exile. "I will not destroy" applies also in their exile, and after their return.
2)
When will Hashem return them?
1.
Malbim: It will be in the days of Koresh.
3)
What is the meaning of "v'Lo Etosh"?
1.
Rashi: I will not uproot.
