Read the text "How it All Began" again and complete the sentences.
1)Prince dolgoruky first wrote about moscow in the year... .
2)The Moscow Kremlin stood high... .
3)To defend Moscow from the enemies they built... .
4)Dmitry Donskoy built a strong wall... .
5)The Russian tsars started rebuilding the Kremlin and... .
6)Together they turned the Kremlin into... .