We _____ be at the ticket office by 9 O'clock or there won't be any left to buy.
must
Sara ___________ to get Novak Djokovic's autograph at Wimbledon!
was able
Oh, no! The fans _______ throw things at the players!
shouldn't
He tried to score himself. Which was stupid! He __________ passed the ball to Messi.
should have
You ____________ bought me a ticket. But thanks very much anyways.
needn't have
Henry ________________ been a champion boxer if he had trained harder.
could have
In basketball you are _____________ to run with ball; You have to dribble.
not allowed
It's OK - we _________ to watch the tennis if you'd rather go out.
don't have
A: Jake, ________ you explain something to me? B: Sure! What do you want to know?
could / can
You shouldn't_____________ playing inside. You broke a window!
have been