四川航空招聘网:改写句子

来源:百度文库 编辑:神马品牌网 时间:2024/05/07 09:36:41
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.

not only……but also

It's both fast and safe to travel by underground