To save energy, we should remember to   the lights before going out.

We may help if we cut down on energy use by using LED light bulbs and unplug unused electronic devices.

“I would study English If I were you,” Mai’s friend said.

He is not old enough to do the volunteer work.

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

Books are a wonderful source             knowledge and pleasure.

She didn’t shed a tear as the play ended in tragedy.

What is the main purpose of the writer when writing this passage?

The word “annually” is closest in meaning to      .

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 was exhausted by his work. He threw himself on his bed.

Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in each of the following questions.