It was July 24th when he arrived in London, ______ the 30th Olympic Games would be declared open 3 days later.
More strict measures should be taken____more people are infected with the virus of H1N1 flu.
—Jim, you ______ quiet! Don’t you know it’s time for class now? —Sorry, sir.
—What happened to the old lady? —She was observed ______ of her handbag.
. If you can’t settle the dispute by yourselves, I’ll call the police and they’ll ______.
_______ to wait a long time at the dentist’s, Mike decided to take along a magazine to read.