◎ 题干
-David will win the first prize.
-Are you sure?
-________. He is always working hard.
[     ]
A.It's my guess  
B.It's up to you
C.That depends  
D.It's hard to say
◎ 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“-David will win the first prize. -Are you sure?-________. He is always working hard. [ ]A.It's my guess B.It's up to you C.That depends D.It's hard to say…”主要考查了你对  【日常用语、谚语】  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。