题目内容
【题目】The teacher asked an easy question, but not a proper answer _____.
came up
keep up
catch up
was come up
【答案】A
【解析】come up意为“被提出”,不能用被动语态。
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题目内容
【题目】The teacher asked an easy question, but not a proper answer _____.
came up
keep up
catch up
was come up
【答案】A
【解析】come up意为“被提出”,不能用被动语态。