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.
B. in
C. of
Giải bởi Vietjack
Chọn C
We may help if we cut down on energy use by using LED light bulbs and unplug unused electronic devices.
To save energy, we should remember to the lights before going out.
What is the main purpose of the writer when writing this passage?
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.
