问题详情

答题翼 > 问答 > 远程教育 > 正文
目录: 标题| 题干| 答案| 搜索| 相关

He is thinking of a way to keep the machine________when he is away.


He is thinking of a way to keep the machine________when he is away.

A、runs

B、running

C、to run

D、run

参考答案
您可能感兴趣的试题