SomestatesintheUnitedStates_______peopletocarryguns.
Manykindsofanimalsarebelievedtohave_________fromtheearth
She is already 16years old. But she _______as if she were still a little girl.
This river is so big that it is impossible to build a _______under it without modern technology.
Students with _______ problems may apply for student loans.