Photographer Edward Steichen constantly experimented new techniques and materials in his quest to have photography accepted as a creative art. 为什么答案选A?
From the 1880's on, artist Mary Cassatt increasingly devoted herself to the theme of mother and child in oils, pastels, etchings, and engraved. 答案选D,但是A也不对呀
Photographer Edward Steichen constantly experimented new techniques and materials in his quest to have photography accepted as a creative art. 为什么答案选A
experimented with
From the 1880's on, artist Mary Cassatt increasingly devoted herself to the theme of mother and child in oils, pastels, etchings, and engraved. 答案选D,但是A也不对呀