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单项选择 适中0.65 引用4 组卷940
When Peter speaks in public, he always has trouble        _ the right things to say.
A.thinking ofB.to think ofC.thought ofD.think of
2012·上海·高考真题
知识点:think of动名词作宾语 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!