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单项选择 适中0.65 引用1 组卷20
He jumped into the water when he heard a boy ________ for help.
A.callB.is callingC.callingD.to call
2024·西藏拉萨·一模
知识点:hear sb. doing sth.现在分词作补足语 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!