What color is ________ pencil?—It’s red.

Do you know the boy________ is sitting next to Peter? — Yes. He is Peter’s friend. They are celebrating his ________ birthday.

Tina was born ____ a cold winter evening. [ ]

Don’t talk toanyoneabout the badnews—notmymother.

At the foot of Mount Huang , you can hear the _________ of running water.