These robbers are sure __________.
—Where did you get this book? —I picked it up from a second-hand bookshop if you ______know.
—What are you two whispering about over there? —Oh, ______. Just small talk.
When I ______home, I caught a thief stealing from a passer-by.
The Charles Dickens Museum in Doughty Street is the only one of his London homes to survive, ______he wrote Oliver Twist.
______all the homework assigned by the school the students have to work at it till midnight