—Hi, Johnson, any idea where Susan is? —It’s class time, so she ______ in the classroom now.
__________ at the door before you enter my room, please.
Before you quit your job,__________ how your family would feel about your decision.
Close the door of fear behind you, and you __________ the door of faith open before you.
Every day __________ a proverb aloud several times until you have it memorized.
If __________ to look after luggage for someone else, inform the police at once.