— What color Amy's pants?
— purple.
A:are; They're
B:is; They're
C:is; It is
D:do; They're
看图列式。
历史推论离不开对史实的正确解读,下列推论错误的是( )
①纺织技术的发展 ②时装模特的展示 ③机器的广泛应用