They were singing and dancing happy in the hall.改为感叹句

They were singing while we were dancing. they were singing a moment ago对singing进行提问 They were singing whenwe were dancing可以用when They were singing while we were dancing.怎么读,我想知道它们的发音 They were singing while we were dancing这句话可以用while吗 They were singing and dancing happy in the hall.改为感叹句 They were waving and singing when she went home的问句是什么 They were watchng and singing when she went home的问句是什么? They were the same age.和They were of an age.哪对? she is singing They are singing She is a teacher He is an actor They 转换否定句、疑问句、特殊疑问 英语翻译Last Sunday my friend and l went to the zoo.First we saw three giant elephants.On the tree,there are many birds.They were yellow and red,they are beautiful.They are singing happily.At that time,Ann said,I'm hot.I want an ice-cream. So w Parde?_________________?they were marching across the park while they were dancing and singing,exercise h__ make our body healthy and stong they were here about half an hour ago they were having an important meeting改为否定句 they were a___ to sing an english last week They were of an age.动词为什么用过去时? They were of an age.动词为什么用过去时? THey were indroduced by an old friend ten years ago