2. 职称英语
  3. Agriculture is the country’s chief source of wealth, wheat______by far the bigge

Agriculture is the country’s chief source of wealth, wheat______by far the bigge

游客2023-11-12  42
问题 Agriculture is the country’s chief source of wealth, wheat______by far the biggest cereal crop. （2003年考试真题）
选项 A、is
B、been
C、be
D、being
答案 D
解析 本题考查“名词+现在分词”构成的独立主格结构。
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