please practice _____english 1.speak 2.speaking 3.to speak 4.to speaking
问题描述:
please practice _____english 1.speak 2.speaking 3.to speak 4.to speaking
答
3不能说为什么 只是语感
practice本身是动词 后面不能加动词 speak
speaking是进行时 不可能一直说英语不停下来吧
所有要么 spoken 要么 to speak 不定式表承接