题目
Their products are still to the domestic customers. let alone the international market.A. knowingB. unknownC. known
Their products are still to the domestic customers. let alone the international market.
A. knowing
B. unknown
C. known
题目解答
答案
B. unknown
解析
此题考察的是形容词的用法。根据句子的意思，产品对于国内客户来说是未知的，更不用说国际市场了。因此，这里需要一个表示“未知”的形容词。选项中，A. knowing（知道的）和C. known（已知的）都不符合句意，只有B. unknown（未知的）符合句意。