They are orange trees 怎么改为单数句 这是明早作业,IS that your beautiful dress?yes,it is.(改为单数句） This old picture is black and white.（black and white）对括号部分提问 His yellow shoes are behind the door.（behind the door）对括号部分提问
问题描述：
They are orange trees 怎么改为单数句 这是明早作业,
IS that your beautiful dress?yes,it is.(改为单数句） This old picture is black and white.（black and white）对括号部分提问 His yellow shoes are behind the door.（behind the door）对括号部分提问
答