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单项选择 较易0.85 引用3 组卷202
The differences the children’s achievements can not be completely explained ________ their social backgrounds.
A.in front ofB.in case of
C.in need ofD.in charge of
2018·天津·一模
知识点:in case ofin charge ofin front of介词与其它词类的搭配in need of 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!