5 Use the modal verbs must, can/may, can’t. 1) I'm not quite sure where to go for my holidays but I … go to the USA.2)

1) I\'m not quite sure where to go for my holidays but I may go to the USA. 2) You can tell Tom what I said but he must keep it a secret. 3) If you\'re under 18, you can\'t drive a car in Russia. 4) You can drive for a year in Britain with an international license.