I hate ______ when passers-by prefer to be lookers-on when there’s an accident.

To know more about the British Museum, you can use the Internet or go to the library, or _______. 

Mr Black,          who we all admire, is a kind but strict teacher．

I find _____ hard to concentrate on my studies with some people having small talks around me.

Some foreign media predict that all these reforms will make China a strong and powerful country,  ______ that can surprise the whole world.