[ TOEFL Grammar ]
It is a colored liquid that people use for writing. What is it?
A. Lead
B. Mud
C. Ink

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Vocabulary › ViewA(n) _____ led to an argument between the friends.
A. misunderstanding
B. cooperation
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Grammar › View
I have lived in Beijing for 6 months.
I have lived in Beijing _________ half year ago.
A. because
B. since
C. just
