War and peace______a constant theme in history.A、isB、areC、had beenD、have been

游客2024-09-30 51

问题 War and peace______a constant theme in history.

选项 A、is
B、are
C、had been
D、have been

答案 A

解析由and连接的两个主语系指同一人或同一种事物及概念时，谓语动词用单数形式，再如：Bread and milk is helpful to health．

转载请注明原文地址:https://www.tihaiku.com/zcyy/3780511.html

相关试题推荐

随机试题

最新回复(0)

Warandpeace______aconstantthemeinhistory.A、isB、areC、hadbeenD、havebeen