现在更多的人正在关注校车的安全Now more people ( ) ( ) ( ) ( ) the school bus safely.

are paying attention to

Now more people are paying attention to the school bus safely.

应该是 are pay attention to (注意 ,关注 ） 其中to 是介词 加油!不明白再问!

我觉得应该是are paying attention to
希望能帮到你^_^