填入所缺的单词/My wife and i are walkong ( )the bank of the river.O
填入所缺的单词/ My wife and i are walkong ( )the bank of the river. Our village is () a valley .the village is () a river. the clsses are over .Chilren are coming () the school building.
填入所缺的单词/ My wife and i are walking ( along)the bank of the river. Our village is (in) a valley .the village is (near) a river. the classes are over .Chilren are coming (out of) the school building.