2. 外语
  3. The Egyptians ______ copper as early as 5,000 years before Christ.

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

admin2009-01-15  59
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://kaotiyun.com/show/E2Ad777K
本试题收录于： 公共英语二级笔试题库公共英语（PETS）分类
0

公共英语二级笔试

公共英语（PETS）

相关试题推荐
随机试题
最新回复(0)