We should pay close attention to safety in schools because of frequent reports about accidents ____ students got injured or killed while in school

下列各句中，没有语病的一句是（ ）

The _______ income of the common people has been greatly increased in the past thirty years ______ the reform and opening-up policy in China.

It seems __________ the poor guy is going to die of __________.

How dangerous! I justavoided the cat