Question

i think students__ to have good habies..com

Answer 1

i think students_need_ to have good habies.
i think students_have_ to have good habies.
i think students_are_ to have good habies.
都可以。

Answer 2

ought

追答

I think students ought to have good habits.

ought to have 应该有

追问

还有另外的回答吗

追答

应该没有。