◎ 题干
"_____ twenty dollars a big sum to her?" "I suppose so." 
[     ]
a. Will be
b. Is
c. Are
d. Were
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“"_____ twenty dollars a big sum to her?" "I suppose so." [ ]a. Will beb. Isc. Are d. Were …”主要考查了你对  【一般现在时】【主谓一致】  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。