Trắc nghiệm Chuyên đề 4: Reading có đáp án

Most asteroids are very small and, if you are lucky, youcan sometimes see (4) in the night sky as ‘falling stars’.

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Most asteroids are very small and, if you are lucky, youcan sometimes see (4)                   in the night sky as ‘falling stars’.

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Chọn đáp án C