题目内容

A large number of engineers ____________to Africa by our government to help the people there.

A. have sent
B. will send
C. send
D. are sent

查看答案

搜索结果不匹配？点我反馈

更多问题

Don't worry. You ________ plenty of time to decide.

A. will give
B. have given
C. will be given
D. are giving

---Do you like the material?---Yes, it __________ very soft.

A. is feeling
B. felt
C. feels
D. is felt

工业机器人是一种仿生的、具有自动控制能力的、（）的多功能、多自由度的操作机械。

工业机器人系统主要包含两大部分，分别为、电气系统。