The farmers in the villanges __________ the river by boat.(请

The farmers in the villanges __________ the river by boat.(请 e_____to cross the river by boat There is a boat in the river People can travel in the river by ( )( )( )on the boat.人们可以乘 是there is a boat in the river还是there is a boat on the river It's e_____to cross the river by boat急! Is it p---- to cross the Yellow River by boat There's a boat in the m___ of the river. The missing boy was last seen __________ by the river. Potatoes are()in the field by the farmers 改错 How many boat can you see in the river? Look at the boat ( )the river