What topic is the passage mainly concerned with? [br] What are the two mysteries

游客2023-09-16 60

问题 What topic is the passage mainly concerned with? [br] What are the two mysteries that have remained unknown to the modern people?

选项

答案 When man began to use fire and language．

解析

转载请注明原文地址:http://tihaiku.com/zcyy/3018011.html

相关试题推荐

随机试题

最新回复(0)

Ihavefoundsomearticles_____theharmfuleffectsofdrinking.A、beingconcerned