根据汉语提示，写出相应单词补全句子。
（1）She is my __________ (堂妹).
（2）This is the __________ (国旗) of Canada.
（3）Beijing is the __________ (首都) city of China.
（4）Let’s take a plane to Beijing, it’s __________ (快速的).
（5）We have dragon __________(小船) races.