请问,你觉得There is a b______ on the river.bridge 还是boat 合适?

请问,你觉得There is a b______ on the river.bridge 还是boat 合适? 是there is a boat in the river还是there is a boat on the river 填入合适的介词There is bridge()the river.A car is() the bridge.We c on the river there is ( )bridge. There is a boat in the river There is a bridge ____ the river. there is a bridge （ ）the river there is a bridge the river. 填合适的介词 There is a beautiful bridge ____ the river.Let's walk there is a boat on the river中的is可以改为have么 There is a boat under the bridge 同义句 Look!there is a bridge( )the river.A.over B.below C.on D.und