改错
1.When you have time,please drop for tea.
2.She gradual changed her ideas.
3.Robots could be the first live on Mars.
答案
1.When you have time,please drop by for tea.(drop by是通俗用语)
2.She gradually changed her ideas.(Gradual=形容词 Gradually=副词)
3.Robots could be the first (ones)to live on Mars.
机器人可能会在火星上最先居住.
*加不加"ones"无所谓.