Use relative clauses to combine each pair of the following sentences without changing the meaning.

The Watt steam engine was an important invention of the Industrial Revolution. It was created in 1776.

→ The Watt steam engine.............................

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

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 show the underlined part that needs correction in each of the following questions.

Mark the letter A, B, C or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions.