To their surprise .the found that the old tower was kept in a good state.
问题描述：
To their surprise .the found that the old tower was kept in a good state.
答
令他们吃惊的是。发现旧塔是保存在一个好的状态
答
让他们惊讶的是，他们发现古塔保存得很完好。
答
让他们惊讶的是,他们发现古塔保存得很完好.