A

This is the twins' bedroom． It is a nice room． The two beds look the same．This bed is Lily's and that one is Lucy's． The-twins have two chairs and one desk． Their clock， books and pencil cases are on the desk． Their backpacks are behind the chairs Some nice flowers(花) are on the desk． Some pictures are on the wall． Is there a base-ball? Yes， it，s under Lily's bed． The bedroom is very nice．

(     )21． The twins are ________ ．