Level 38: Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the questions following: Earthworms help to aerate the soil.
aerate (v): to make air
suffocate (v): suffocate destroy (v): destroy
argue (v): argue adjust (v): adjust
=> aerate >< suffocate
=> Earthworms help to aerate the soil.