Life is like a longrace ______ we compete with others to go beyond ourselves.

He threw away all the ______ cigarettes, _____ to give up smoking for the sake of his health. [ ]

－My Chinese book is nowhere to be found. Where ________ it be－Is it under the sofa

I think the blue shirt looks _____ better on you thanthe red one.

Bad performances in the exams are closely connected with a ____ of exercise.