Mark the letter A, B, C or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions.
In about one-third of all cases of hepatitis B, it is unknown how the patient contracted the virus
A.became smaller with
B.spread
C.got rid of
D.became infected with
In about one-third of all cases of hepatitis B, it is unknown how the patient contracted the virus
A.became smaller with
B.spread
C.got rid of
D.became infected with
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Hóa Học lớp 12
