The light is out. Mr. Neat ___ to bed already.

This type of jewelry is ______, so you’d better buy some as soon as possible.

The atmosphere of the earth ______ us from the strong sun light.

Learning to write is learning to think. You don’t know things clearly _________ you can writethem down.

－Do you have any plans for tonight－Yes ,I _____ at the new Italian restaurant in town.