否定句:He isn't playing football on the playgound
一般疑问问句;Is he playing football on the playgound?
he is piaying football on the playgound变否定句和疑问句
he is piaying football on the playgound变否定句和疑问句
英语人气:980 ℃时间:2020-03-29 22:18:42
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