杭州交通信息网wartoff去疣有效果吗:改写句子
来源：百度文库 编辑：杭州交通信息网 时间：2024/05/08 16:00:34
It's fast to travel by underground. It is safe travel by underground.(合并为一句)
It's ____ ____ fast ____ ____ safe to travel by underground.
It's ____ ____ fast ____ ____ safe to travel by underground.
It's not only fast but also safe to travel by underground.
It's not only fast but also safe to travel by underground.
It's not only fast but also safe to travel by underground.
It's not only fast but also safe to travel by underground.