eed to give all you have and try your best

He has left his book here ____ so that you can read it[ ]

Is it my age __________ the bossminds—-I’m afraid not. He will consider__________ necessary to have an experienced assistant.

time you have finished reading this book, yourmeal ______ cold

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