I ... speak French fluently when I was a child, because we lived in Paris.
can
could
If you want to be healthy, you ... eat well.
could
should
must
... I brush my teeth? -Yes, it's the best way to have nice teeth.
Must
Shouldn't
Should
Could
People ... respect each other.
couldn't
must
should
mustn't
-She looks tired; she ... go to bed. - Great idea!
must
should
You ... be silent in the library or you will be asked to go.
mustn't
should
can
must
Some birds ... swim.
can
mustn't
should
can't
When he was a kid, Tom ... play tennis quite well.
can
could
Dogs ... enter inside the shop.
can't
shouldn't
mustn't
couldn't
You ____ stop.
shouldn't
must
couldn't
mustn't
It's a playground. You ... park here. It's the law.
can't
mustn't
couldn't
shouldn't
The bus is in 3 min. I ... go now or I will miss the bus.
must
can
should
could
Drivers ... stop when the traffic lights are red or the police will catch them.
should
must
could
can
You ... clean your room more often.
shouldn't
should
mustn't