It was raining heavily, Little Mary felt cold, so she stood _____ to her mother.

The necklace the woman bought is          , because it is made of glass.

You can never be ________ when crossing the street. 

---How old is Esther Greenbaum? ---Don't ask her how old she is—she's really ______ about it.

With sufficient scientific information a manned trip to Mars should be _____.