题目内容
15.Could you add up to all the numbers?去掉to.分析 你能把所有数字都加起来吗?
解答 答案:去掉to.add up to 意为"总计达…";add up 意为"把…加起来",结合句意应把to去掉.
点评 本题考查短语辨析,准确理解短语的意思是解答本题的关键.
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