The scientist suggested ____ the experimentin a different way

She tried her best to___the lifethere,but failed to make any____.[ ]

___ darker now, we had to stay in the village for the fight.

I promise my daughter ____ get a nice present on her birthday.— I think it will be a big surprise to her. [ ]

ing to the school rules, no student_______ go out of school without the permission of the teachers.