Βιβλίο English Result - Ενδιάμεσο - Ενότητα 5 - 5Β

to write one's name or mark on a document to indicate acceptance, approval, or endorsement of its contents

to let someone or something do a particular thing

to not give permission typically through the use of authority, rules, etc.

to allow something or someone to do something

to formally forbid something from being done, particularly by law