(2014·石家庄高中复习教学质量检测)Seeing a large crowd at the street corner，I became aware of________unusual happening.

Of all my friends,__________ is so diligent as Tom.

I knocked on the door several times but _______________ answered, so I left. 

—Can you see anything without glasses?—________.

I dislike _____ when you speak loudly in public.