Learning experiences happen to us throughout our lives, and not too long ago, I had _______ that I would like to share.

There are two cars in front of the house.--One is mine, ________ is the mother's,

I'd appreciate      if you would turn the radio down．

_______in my life impressed me so deeply as my first visit to the Palace Museum.

To stay awake, he finished a cup of coffee and ordered     .