The Egyptians ______ copper as early as 5,000 years before Christ.A、they were us

游客2025-07-28 21

问题 The Egyptians ______ copper as early as 5,000 years before Christ.

选项 A、they were using
B、having used
C、may have used
D、using

答案 C

解析 may have used表示对已发生事情较肯定地猜测。

转载请注明原文地址:https://tihaiku.com/zcyy/4180057.html

相关试题推荐

随机试题

最新回复(0)

Thefamilypianowas______beforeJack’smotheraskedhimtomoveit.[br]Its