Fill in the blanks with appropriate word. 

You can’t _______ forever; you’ll have to make a decision.

Select the most appropriate option to fill in the blank.

A ______ mind rarely meets a dead end; it continues the search for the answers.

Roger Federer’s greatness lies not in smothering the competition, but in _________ the game.

In the question given below, two sentences are given with one blank each. From the given options, choose the word that correctly fits both sentences.

She is one of those students who ____ her studies very seriously.