KỲ THI THỬ THPT QUỐC GIA NĂM 2019 MÔN TIẾNG ANH(P11)

Magma is the primary source of all the earth’s rocks.

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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.

Magma is the primary source of all the earths rocks.

cheapest

nearest

worst

first

Giải thích

D

“primary” = “first”: cơ bản, đầu tiên