______ the works of Leonardo da Vinci, the Louvre Museum has more than 6,000 other European paintings, ranging from the13th century to the 19th century.
—Where did you get this book? —I picked it up from a second-hand bookshop if you ______ know.
She was clearly a customer at Scott' s, as she told the waiter that she would stick to her favorite.
—Was it there _______ you were away to see your friend off? —I’m not sure . But when I got back, it was gone.
The Charles Dickens Museum in Doughty Street is the only one of his Londonhomes to survive,______he wrote Oliver Twist.
Since I don’t like surfing the Internet, shall I go to the library instead ______ the information we need?