(2017 • 山东德州)Sam is doing some __________ about the ancient Silk Road. A. exercise B. operations C. ...
2022-10-26 22:57:32 162次 江苏省苏州市2018年中考英语语法专题练习2《名词》 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容:
(2017 • 山东德州)Sam is doing some __________ about the ancient Silk Road.
A. exercise B. operations C. research D. experiments
本题链接: