----Will you be ________ this afternoon, Tom? ----It depends. I’m afraid I’ll be called in by my manager. 

To win in these areas, the firm needs a sustainable __________ advantage.

Studies show that people are more ______ to suffer from back problems if they always sit before computer screens for long hours. 

There is no reasoning with such a      woman as Lucy. You might as well talk to a stone as try to argue with her.

The girl’s _____ voice and excellent performance made her stand out in the singing contest.