—Will you be _____ this afternoon, John?—It depends. I’m afraid I’ll be called in by my manager.

For most informal dinners, you should wear comfortable and ______ clothes.

 .Without any doubt, depression________can create a variety of negative health effect.

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

As economy worsened, jobs ______ to the laid-off workers continued to be scarce．