Rock climbing ____________ be dangerous.
We ____________ take an umbrella. It looks like it’s raining cats and dogs.
You _________________ tell her about the surpise party.
The weather forecast says it _________________ rain tomorrow morning.
It is very dark in here. I _______________see you very well.
You ____________ read the washing machine instructions carefully or you will ruin your clothes.
You _________________ speak English to travel. My brother is a good translator.
We _______________ wait outside the restaurant. There aren't any empty tables.
should
must
don´t have to
have to
can
may
can´t
mustn´t
