I _________ run very fast. (can, should or must)
can
We __________ eat fruit and vegetables. (mustn't, must, should or shouldn't)
should
You __________ play with fire. (can, can't, should or shouldn't)
shouldn't
You _________ keep quiet in the library. (can, can't, must, mustn't)
must
John ________ swim. He hates water. (should, must, can, can't)
can't
Jill _________ drive. She's a taxi driver. (must, must not, can, can't)
can
It's hot. You _________ open the window. (can, should or must)
should
You __________ wear a helmet when riding a motorbike. (can, should or must)
must
It's cold. You __________ put on a coat and a scarf. (Can, can't, should, shouldn't)
should
They ___ not be watching TV. ( can, must, should )
should
He ___ get up early in the morning. ( can, must, should )
He should get up early.
He ___ ride a bike. ( can, can't must, must not )
can't
Mary ____ play the piano. ( can, must, should )
can
Tom ____ not sleep in class. ( can, must, should )
must
