It’s hard for us to really figure out a person ________ we get along well with each other[ ]

Do you know the big boy ________ helped to catch the thief yesterday — Yes, Li Ming, the chairperson of the Students’ Union .

Why are your hands that dirty— Oh, I______ in the garden since we finished breakfast.

Paris is one of cities in the world.

I was so familiar with her that I recognized her voice I picked up the phone