Yang Shanzhou becomes well-known in China for planting so many trees for people.

The old lady is_________ in a lonely house, but she doesn’t feel__________.

The children are ____when they hear the ____news. 

You _______ ever saw computers years ago, but now they are everywhere.

I went to the classroom to close the door yesterday. But as soon as I was _______ to the classroom, I found it already _______.