He has no pen to write _____, because he left his pencil-box at home this morning.[ ]

I have ____ English book and ____ ruler.

Amy is _______ unusual girl. She has traveled to 15 countries in _______ world.

The pay phone is across _____ the park. I often go there to call my mother.[ ]

By the first day of August, 2007, the PLA ________ for eighty years.