The air pollution is terrible. – It will be worse ________ we take action to protect the environment.

If you get up early and run every day, it will ______________ you.

97.0FM plays_____songs of all the radio stations in my city.

依次填入下面文段空白处的内容，最恰当的一组是（ ）时常想起鲁迅，想起胡适，想起钱穆——一个已经逝去的铁三角。他们与时代一同呼吸，以独立的姿态成为30年代中国知识界的柱梁。如今，他们正凝视着这个轻佻的当下，沉默不语，我们是喋喋不休地重复梁实秋的雅舍、       、         ，还是老老实实地告诉我们的学生，我们曾经有过        、        与钱穆的严谨学业

He was busy chatting online anything dangerous on the road whilewalking. As a result, he was knocked down by a bike.