___ I leave the classroom? Yes, but you ___come back soon.
must/must
Can/must
can/can
can/ mustn't
The boy ___ open the door because he hasn't got a key.
mustn't
must
can
can't
You ___ cross when the lights are red.
must
mustn't
can
can't
You ___ be careful! You drive too fast!
mustn't
must
can
can't
You ___ do your homework carefully.
can
must
can't
mustn't
The baby is just 6 months old, so he ___ walk.
can
mustn't
can't
must
We ___ work in the garden because it's raining.
can't
can
mustn't
must
It's hot today, so the children ___ swim.
must
can
can't
mustn't
You ___ use my computer if you like.
must
mustn't
can
can't
___ we have some ice cream for dessert?
can't
Can
Must
mustn't
'You ___ walk on the grass' the policeman said.
can
must
mustn't
can't
You ___ wear a jacket, a scarf and gloves because it's very cold.
must
mustn't
can
can't
My sister ___ speak 2 languages. She speaks English and German but she ___ speak Italian
mustn't / must
can / can
can / can't
must/can
It's getting late. I ___ go now.
must
mustn't
can
can't
We ___ protect the trees. It's very important
must
can't
can
mustn't
You ___ feed the animals more than once a day. It's bad for them.
can
must
mustn't
can't
___ I go out tonight? Yes, but you ___ come back at 12.
Can/ can't
Can/mustn't
Must/can
Can/must
You ___ drink too much. It's bad for you!
can
must
can't
mustn't
___ I use your phone?
Mustn't
Can
Must
Can't
You ___ go quickly to catch the train.
must
can
mustn't
can't