His ____ of life has changed a lot since the experience he had in Africa three years ago.

You look very cool today, Simon. — ___________

Clemens, _____ Mark Twain, became afamous American writer.

Mr. Li will go to Guangzhou by air. His workmates are at the airport.

You look _____. What’s up, sir－ I can’t find my ticket, but it’s time to check in.