Are Mr. and Mrs. Wang living alone in the house? —Yes, they have three sons, but ______ of them live in their own houses.

Here are some potatoes, please ________.

I hear that Lily’s brother is a worker here.—Look! The manis working over there is her brother.

A new planet has been discovered recently. It’s ______ Earth，and hopefully it can support human life.

Why _____ these cards ______ orange?— Because orange can cheer you up.