l saw Ben______football in the playground just now. (play)

l saw Ben______football in the playground just now.(play) . l saw Ben______football in the playground just now. (play) l saw him fly a kite on the playground just now fly 加不加ing I was in the playground just now.改为一般疑问句 Just now l saw my father( )into the study with some books in I saw them playing football on the playground just now 为什么只能 He ____ not be in the room.I saw him on the playground just Kitty saw (some birds) (in the sky) just now. I saw them playing football in the playground 这里的宾语补足语是 play where__you just now? I__on the playground. we play in the playground.对in the playground提问 The boys often play in the playground.