Is he sitting on a football?为什么不用does he

Is he sitting on a football?为什么不用does he he is sitting on the fence A:Is he sitting on a football?B:No,he's not.He's sitting on a basketball.可以换成No,he isn't . 五年级英语连词成句：sitting,basketball,he,on,a,is He is sitting on a football?(改一般疑问句,做肯定回答) the boy is sitting on a chair Tom is sitting on the () watching TV.He needs is. sitting on top of the world 翻译包括含义__ he won the first prize in the comptition, didn't he?__ yes. he is sitting on top of the world. he is sitting on top of the world 意思相近一项选择 A. he is sitting somewhere high. B. he “he is sitting on the fence是什么意思英语俚语 Is he sitting on the volleyball?做否定回答 jane is sitting on a swing(对划线部分提问) 划线部分：sitting on a swing Jnae is sitting on a swimming.用sitting on a swimming对这个部分提问 he's sitting on top of the 选择与he's sitting on top of the world意思最相近的,为什么,讲出理由 A.He is sitting somewhere high.B.He didn't do well in the competition.C.He is very ,very happy now.D.He is a simple person. 英语完形填空He is now sitting ( )a busat B with C in D on并且告诉我为什么 oh,he is sitting _________ the table and drinking juice A.on B.in C.by D.under 选那个? A bag is sitting on the sear in the train. he is sitting in a bus.改为一般疑问句 Andy is_(sit/sitting)_(on/under)the table.he is angrySome (food/water)is falling on the _(wallfloorAndy is_(sit/sitting)_(on/under)the table.He is hungry Some_(food/water)is falling on the _(wall/floor).Andy is very_(happy/hungry).He _(has/have)a lot