The British political system (evolution) ______ over several centuries.has evolv

游客2023-09-27 61

问题 The British political system (evolution) ______ over several centuries.

选项

答案 has evolved

解析本句缺少谓语动词，所以evolution应用动词形式evolve，意为“进化，发展”，而且后面是延续性时间状语，所以用现在完成时，表示此动作还可能继续下去。

转载请注明原文地址:http://tihaiku.com/zcyy/3049433.html

相关试题推荐

随机试题

最新回复(0)

Thiskindofair-conditioningsystemispracticalandeconomicalfortheneedso