Mary went to the box office at lunch time, but all the tickets____ out.
—I’m sorry for being late. I should have phoned you earlier. —_________. I’ve just arrived.
I borrow the book Sherlock Holmes from the library last week, ______ my classmates recommended to me..
I hope there are enough glasses for each guest to have ______.
-Do you think we can get there on time? -Yes,_______ the truck doesn’t break down.
Last term our maths teacher set so difficult an examination problem _____ none of us worked out.