Question

Choose the correct option to complete the ideas. *
must musn't have to don't have to
You ____ take the dog for a walk now. I'll do it later.
Don't leave your trash on the beach. We ____ keep it clean.
I will tell you a secret, but you ____ tell anyone, OK?
We ____ pay an entrance fee. The computer show isn't free.
You ____ take the dog for a walk now. I'll do it later.
Don't leave your trash on the beach. We ____ keep it clean.
I will tell you a secret, but you ____ tell anyone, OK?
We ____ pay an entrance fee. The computer show isn't free.

Answer 1

don’t have to
must
mustn’t have to/mustn’t
must