题目内容
【题目】The teacher asked Mary not to prevent Tom from (表达) his opinions.
【答案】expressing
【解析】句意：老师要求Mary不要阻止Tom表达他的意见。介词后面接动名词作宾语，故填expressing。
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题目内容
【题目】The teacher asked Mary not to prevent Tom from (表达) his opinions.
【答案】expressing
【解析】句意：老师要求Mary不要阻止Tom表达他的意见。介词后面接动名词作宾语，故填expressing。