Playing in the park is___. A、a great fun B.great fun C.a fun D.lot of fun Please tell me,thanks!

The children are playing _____(happy)in the park the children are playing ____(happy) in the park.填空 The boys are playing football in the park.改疑问句 he sees his son playing in the park ( )the window playing ,the,in ,are,they ,park,连成一句话 I'm playing in the park的问句是什么? They are playing _____(habby)in the park. I'm playing in the park 提问句 The children are playing in the park now(对划线部分提问)划线部分为：in the park the children are playing in the park这个句子怎么读the children are playing in the park这个句子怎么读写出音标 The boy likes playing football in the park.改为一般疑The boy likes playing football in the park.改为一般疑问句怎么改(⊙_⊙? the children are playing happily in the park,改为同义句,the children are _____ _____in the park. The old man likes sitting near the window, _____(watch) the children playing in the park. They like playing Chinese chess in the park.(同意句转换)They _____ _____ _____ playing Chinese chess in the park. The children are playing in the park now(对划线部分提问)划线部分为：are playing i can see a musician---the drum in the park.A.play B.IS playing C.playing D.plays [the children ] [are playing] [happy] in the park.那一组错了,应改成? Look ! How ? (happy) the children are playing in the park . 求答案?原因?