The p___ in Egypt is one of the ancient wonders of the world.

问题描述:

The p___ in Egypt is one of the ancient wonders of the world.
我知道这个空里要填pyramid,但不知道应该是单数还是复数,
还有请把原因列出来,
还请明白的童鞋快点回答……很急!

单数
应为后面的谓语是is 用的单数形式,主谓语单复数要保持一致,所以要用pyramid,单数形式这么快!好厉害