WordForm

Considering cots is vital to achieving long-term ( sustain) (a)  

That sort of extreme diet is not ( sustain) (a)   over long period

That article is full of hints on how to live ( sustain ) (a)  

His only chance of ( survive ) (a)   was a heart transplant

The plane crashed in an area of dense jungle . There were no ( survive ) (a)  

The bus was late and Sue began to get ( anxiety) (a)  

My little nephew ( anxious ) (a)   asked who would babysit him if I wouldn't be there

He is not very ( hope ) (a)   About the outcome of the interview

They searched for survivors but it was ( hope) (a)