I am thirsty, Could you let me have _____ coke?

Liu Xiang has failed over and over again in the past years. And that's _________ he succeeds.

There will be a stamp show in the museum ______ we visited last week. 

— Could you give me some            on how to learn English           ?— Sure. Practice makes perfect.

 ---Dear me! What a wonderful computer! ---My grandpa bought it for my sister and me. It’s ______.