Fill in the Blanks passive of modal verbsOnline version Complete with the correct form by Paola Gomez 1 I think 15 - years - old to have jobs . They're old enough . But I think they a choice in case they want to work or not . People to get credit cards until they're 2 . They're not resposable enough . Something about dangerous drivers who've caused an accident . Maybe their licenses away for life or something . Well , maybe they to take a driving test every year , then .