◎ 题干
You'd better ____ how much the trip will cost to see if we are able to pay for it.
[     ]
A. sort out
B. add up
C. figure out
D. come up
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“You'd better ____ how much the trip will cost to see if we are able to pay for it. [ ]A. sort out B. add up C. figure out D. come up …”主要考查了你对  【动词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。