One night there _ _ _ _ a little bird over the city.Its friends had_ _ _ to Egypt for the winter , because it was must warmer there.As it was about to_ _ _its wings to join its curious thing!" It _ _
Sohai One night there _ _ _ _ a little bird over the city.Its friends had_ _ _ to Egypt for the winter , because it was must warmer there.As it was about to_ _ _its wings to join its curious thing!" It _ _
Make at least a feeble attempt to do your homework!
There is a typo in your question - "must" should be "much".