Three mountains, Meili, Baimang and Haba, which are covered snow, tower the land.
It's said that going to bed early and getting up early ____a widely accepted good habit.
____is known to us is that China has won five gold medals in the 2010 Winter Olympic Games.
Medicine should be placed ____children’s reach to make sure of safety.
—I finished all my work today. —If____, you can help others with their work.
—Remember the first time we met? —Sure.You ____in the supermarket.