The two men had hardly had time to ________what had happened when they were thrown violently into the sea.

Playing with fire can be very dangerous, or ________ it another way, don’t try it like this.

 He used _______ on the right in China, but he soon got used ______ on the left in England.

The committee decided to         the best film the first prize.

 --It’s reported that scientists have ________ an effective way to deal with H1N1.--Really? That’s great!