I think the first (settle) on Mars are robots
I think the first (settle) on Mars are robots
I don`t believe there are a____ on the Mars.
The guide discribes what i think life on Mars will be like.
are there martians on mars?what do you think?
on the Mars 还是on Mars
i think robots in the future will do -------us.
I live on the first floor and they are second
i dont think we are on the same
I think you are too s_____ on the boy.
i think life on Mars will be better than________in many ways
this guide describes what i think life on mars will be like.
I don't think he is on the first floor.反义疑问句