首先明确时态,是过去时.
In the summer vacation,i went to QingDao,it is a wonderful time for me.i went to qingdao by train.
in these days,QingDao is a preety city,it have blue sea,blue sky,white clouds.i took lots of photoes of them.And i swam in the sea.it is so intersting.and i learnt english and shopping.QingDao not only a beatiful city but also a delicious city.the seafood is quite decliuos.