2. 职称英语
  3. Gunpowder was discovered in the twelfth century, but _________.A、man did not put

Gunpowder was discovered in the twelfth century, but _________.A、man did not put

游客2023-11-22  20
问题 Gunpowder was discovered in the twelfth century, but _________.
选项 A、man did not put it to use in war two hundred years later
B、until two centuries more it was used in war
C、not used in warfare until two hundred years later
D、in warfare did not use it two hundred years afterwards
答案 C
解析 并列连接词and，but，as well as等，以及从属连词than连接两个对等的词和结构。此处并列连接词所连接的谓语形式必须一致。因此C为正确选项。
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