where（）my clothes?I saw them on the sofa just now.A girl ask

where are the twins?i saw them ___ out for a walk just now I saw them playing football on the playground just now 为什么只能 选择题Where are the twins?I saw them ______out for a walk just 单选Where are the twins I saw them ____ out for a walk just no 1.------my dictionary?Yes,i saw it on your desk just now.A.D I saw her( ) on the ground just now I saw him playing football on the ground just now the girl is my sister .you saw the girl just now 合并为一句 1.Just now I saw he was drawing a picture on the wall .（改为同义 i saw a kid (climb)the tree just now I saw a man ( ) into the room just now I found my cat ----- < sleep>under the sofa just now.请问用什么形式