MOOC 初级综合英语(北京交通大学)1450799189 最新慕课完整章节测试答案
Unit 1 Living in Harmony
Unit1单元测验
1、单选题:
The robber held the hostage ____________ and demanded a million dollars.
选项:
A: at knifepoint
B: around knifepoint
C: on knifepoint
D: upon knifepoint
答案: 【 at knifepoint】点我阅读全文