选择题：Each year in the United States, many black teenagers _______ of school, either because they cannot keep up or they have to work to support their family.

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题目类型：选择题
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题目内容：

Each year in the United States, many black teenagers _______ of school, either because they cannot keep up or they have to work to support their family.

A. go out
B. drop out
C. check out
D. pull out

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分类：考研题型：选择题

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