问答库

题干| 解析| 归类| 考点| 相关| 热门| 搜索
A-A+

either you or I ________able to design the machine. A. is B. has been C. are to be D. a

2023-05-18 08:35:13 学历考试 阅读

问题详情

either you or I ________able to design the machine.

A. is

B. has been

C. are to be

D. am

参考答案

考点：