At that time, the calculator was a great ______ / ɪnˈvenʃn /. A. invent B. invitation C. invention D...
2022-11-23 13:58:49 64次 2015-2016学年人教新目标版八年级下9单元讲析英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
At that time, the calculator was a great ______ / ɪnˈvenʃn /.
A. invent B. invitation
C. invention D. inventor
本题链接：
