1 . Born in a traditional family, the twins were brought up to value __________(责任感) and sharing. （根据汉语提示单词拼写）

2 . Leaves are found on __________ (种类；变化) of trees, but they are different greatly in size and shape. （根据汉语提示单词拼写）

3 . Two ___________ died in the fire.

A．scores of people	B．score of people
C．scores of peoples	D．score of peoples