【单选题】every morning Mrs. Clemens placed a large basin full of water on the window-sill, and as soon as the sun ’ s rays fell on the water the rainbow appeared as clearly as it had ever done in the fountain,...
【单选题】Every morning Mrs. Clemens placed a large basin full of water on the window-sill, and as soon as the sun’s rays fell on the water the rainbow appeared as clearly as it had ever done in the fountain, w...