帮我看看这篇作文有什么语病
I went sightseeing with my friends.In morning,Wu played in the DongHu park,and wu had a picnic under a big tree .After it,we rowed a boat on the river,we found ourselves surrounded by fishes and gree trees.After we landed the bank,We met the foreign friends.we said hello to them with beautiful smiles on our faces and received sweer smiles too.We talked with them in English,but they didn`t say a lot.Later on,we know that they were Russians which did`t good at English.That a pity.