This physics problem is too difficult for us to A work it out B w_英语解答

This physics problem is too difficult for us to A work it out B work out 选什么为什么
请说明理由

人气：156 ℃　时间：2019-08-22 08:17:04

解答

B work out
如果选A,题要改.
This physics problem is so difficult that we cannot work it out