Can you think of some cases ___ drivers obviously knew the traffic rules but didn’t obey them?
Some exercises appear to be ______ ones you have done, but on ______ second thoughts, you’ll find that they’re different.
---- Thank you for having bought me a ticket for the World Expo in Shanghai! ---- ________.
_____you’ve grown up, you must stop this childish behavior.
Please go ___the ship quickly. There is only 10 minutes left.
When his novel finally ____, it took the world by surprise.