There's a man at the reception desk who seems very angry and I think he means ________trouble.
----Are the new rules working ? ----Yes. _______books are stolen.
----Michael was late for Mr Smith’s oral class this morning.----_____? As far as I know, he never came late to class.
_______the Second World war broke out?
His father came home at midnight, and _____,he was drunk.
Bad habits are not easy to be _______; it needs your determination.