Xi Jinping, ________ president of China, arrived at Moscow on March 22, 2013 and paid ________ two-day visit to Russia with his wife Peng Liyuan.
—— How ___ Jack? —— He is fine.
——Please sit down. ——____________.
——What color is the ruler? ——_________.
——What’s this? ——______ a key.
What color _____ it?