Thisriverformsanatural_______betweenChinaandKorea.
Healwayshasalotof_______ideasinhismind,andsometimeswedonotevenknowwhatheisthindingabout.
She is already 16years old. But she _______as if she were still a little girl.
Withthe_______ofMary,allthegirlstudentsareeagertogototheparty.