---Mr. Black, I find  ______  difficult to play the piano well.---Oh, I think you just need to practice more  

—Who taught ________ to write the computer programs? —Nobody. She learned it by __________.

 _____ is my sister. ______ name is Tina.

 If __________ bicycle is broken, _________ can use __________. 

Mr. Wang is going to meet Kitty and _____ at the school gate tomorrow morning.