He is riding his bike. 怎么写出提问句?
【外语】 He is riding his bike. 怎么写出提问句?
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傻大方资讯为您精选的网友回复(供您参考):
[物理]在线等,会的朋友们帮忙答一下
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傻大方资讯为您精选的网友回复(供您参考):
[物理]What is he doing?他正在做什么be动词后加了-ign形式,判断为现在进行时。现在进行时的构成是be 动词加主语加动词的ing形式,表正在进行。对此类句子提问,用What引导的特殊疑问句,将-ing形式的词或短语变为doing.希采纳!!!
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傻大方资讯为您精选的网友回复(供您参考):
[物理]Whose bike is he riding?他骑的谁的自行车
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