【初二英语】There are lots of robots._____ in f【初二英语】There are lots of _英语解答

【初二英语】There are lots of robots._____ in f
【初二英语】There are lots of robots._____ in factories.
A.to work
B.works
C.worked
D.working

人气：147 ℃　时间：2019-11-19 13:29:59

解答

D能解释一下吗我也是蒙的，不过应该是这个，正在进行时谢谢，好好学习