Guilin is famous ____ its beautiful hills and rivers, while Kunming is famous ____ the Spring City.
People have realized that they should go on _____ balanced diet and do _____ exercise every day.
________ your next high-adventure trip is scheduled, start preparing now.
Your ideas are very interesting, but we need suggestions to get us out of the mess.
Donald doesn’t have much patience — he often loses his _______.
I ________ to the lecture this afternoon, but I ________ a bit ill.