Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

He started computer programming as soon as he left school.

What should be the best title for the passage?

The man            his car outside hasn't come back for it yet.

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

Many herbicides and pesticides take a long time to degrade and build up in the soils or throughout the food chain.

What is the writer's main aim in writing the text?