题目内容
【题目】(2018保定清苑区一模)John can ________ why the weather is getting warmer and warmer. He is an expert on climate.
A.excuseB.explainC.exchangeD.examine
【答案】B
【解析】
略

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题目内容
【题目】(2018保定清苑区一模)John can ________ why the weather is getting warmer and warmer. He is an expert on climate.
A.excuseB.explainC.exchangeD.examine
【答案】B
【解析】
略