2. 外语
  3. Though it was late in the night,______he continued to work vigorously.

Though it was late in the night,______he continued to work vigorously.

admin2014-07-20  27
问题 Though it was late in the night,______he continued to work vigorously.
选项 A、but
B、yet
C、and
D、that
答案B
解析 本题是考查复合句连接词。带有让步状语的主从复合句，though和but不能同时出现在一个句子里，但如果从句中用了连词though，主句中则不可再用其他连词，但是可用副词yet。
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