tolong dijawab:) 1.the following sentences are the expressions of giving permission,except... a.sure b.see you c.of course d.yes,please

tolong dijawab:)
1.the following sentences are the expressions of giving permission,except...
a.sure b.see you c.of course d.yes,please 2....careful if you meet foreign people.
a.being b.dont c.be d.been
3.command also called...sentences.
a.passive b.imperative c.active d.affirmative