5 Use the modal verbs must, can/may, cant. 1) I39;m not

5 Use the modal verbs must, can/may, cant. 1) I39;m not quite sure where to go for my holidays but I go to the USA.2) You can tell Tom what I said but he keep it a secret. 3) If you39;re under 18, you drive a car in Russia.4) You drive for a year in Britain with an international license.