艺术培训学校宣传:river people in bottle的名词复数是什么

river people in bottle的名词复数是什么 on the river? in the river? in the river 和 on the river 有什么区别? WHEN PEOPLE ARE IN DANGER high IQ people come in river flows in you　的铃音 谁知道river flows in you的曲谱 There______many kinds of fish in the river.() In which month do people speak last? how many people died in iraq?