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题目内容
(兰州工业学院大学英语3)
Without increasing investment in education, it will be increasingly difficult for low-income people to ________ the middle class.
A、work their way through
B、deviate from
C、work their way into
D、remove away from
A、work their way through
B、deviate from
C、work their way into
D、remove away from
参考答案

