单项选择题

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A.Since the fall.
B.Since the summer.
C.For a year and a half.
D.For three years.
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单项选择题
A.A handbook.B.Some medicine.C.A Canadian post-graduate.D.Some post-graduate work.
A.A handbook.
B.Some medicine.
C.A Canadian post-graduate.
D.Some post-graduate work.
单项选择题
A.She has been to Mexico.B.She assigns long research papers.C.She teaches cultural anthropology.D.She collects ancient relies.
A.She has been to Mexico.
B.She assigns long research papers.
C.She teaches cultural anthropology.
D.She collects ancient relies.
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