We ___ protect the trees. It's very important
mustn't
can't
must
can
My sister ___ speak 2 languages. She speaks English and German but she ___ speak Italian
mustn't / must
must/can
can / can
can / can't
You ___ wear a jacket, a scarf and gloves because it's very cold.
mustn't
can't
can
must
___ I go out tonight? Yes, but you ___ come back at 12.
Can/ can't
Can/mustn't
Must/can
Can/must
