Đáp án: C
Nó tạo ra hai thứ - khí sinh học và bùn
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Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.
Question 9
A. somebody
B. human being
C.character
D.nature
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Question 9
A.wear
B.to wear
C.wearing
D.that
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Question 9
A.silence
B.freedom
C.communication
D.peace
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A. solve
B. come up
C. deal
D. agree
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Question 9
A.recognized
B.knew
C.believed
D.approved
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Question 9
A.help
B.assist
C.support
D.cooperate
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Question 9
A. see
B. know
C.consider
D.realise
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Question 9
A. welcoming
B. fantastic
C.pleased
D.delicious
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Question 7
A.protect
B.protecting
C.protected
D.protective