These girls are _____ (American) .

American These girls are _____ (American) .这里填Americans 可以么? —Who are these girls?—They are _____. these girls are my cousins. -------these girls These books are _____. These are pretty girls.改成感叹句 These girls are nice.改为一般疑问句 These girls are nice改为否定句 are two his girls these sister I must( ) these girls.They are poor These are American cars 改成单数 American girls,lucy and lily,are ,连词成句 What _____ these keys?Are these yours?