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单项选择题
A.several weeks.B.until your doctor tells you.C.12 months.D.at least 6 months.
A.several weeks.
B.until your doctor tells you.
C.12 months.
D.at least 6 months.
单项选择题
A.3 bags.B.10 bags.C.they don’t have any bags.D.5 bags.
A.3 bags.
B.10 bags.
C.they don’t have any bags.
D.5 bags.
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