sing的名词到底是singing还是singer为什么
sing的名词到底是singing还是singer为什么
唱歌的英语单词是singing还是sing a song?
I heard him singing there改被动句是heard singing还是heard to sing
tell me how______ A sing B to singing C singing D singer
He heard someone singing in the next room.请问这里的宾补sing为什么加的是i
将动词改为名词有哪些/例如sing-singer
你擅长谁唱歌吗 是are you good at sing还是good at singing
是We can dance and sing 还是 We can dancing and singing
请问waste作名词到底是可数还是不可数的
是men singer还是man singer?
sing song和singing的区别
sing | sang | singing | to sing的区别是什么?