用所给单词的正确形式完成句子。 1. It's my _____ (one) time to come to China. I like it very much. 2. These _____ (play) do very well in the match. They are really great. 3. Thank you for_____ (organize) the class trip to Nanjing. 4. June 1st is _____ (child) Day. 5. I _____ (1ike) basketball because I am not very tall. It's hard for me.