—The Summer Palace is wonderful. Have you ever visited any other interesting places? —Yes. Also, we ________ to the Great Wall.
There are _____ new words in the _____ lesson.
We are often told _____ at people in trouble.
The old woman kept one black dog and two white ____.
–Is this orange radio _____? -- No, it belongs to ______.
______ book on the desk is _____ useful one.