帮忙做下She said she had never heard me ( ) so well before.A.to sing B.sing C.san
问题描述：
帮忙做下She said she had never heard me ( ) so well before.A.to sing B.sing C.san
She said she had never heard me ( ) so well before.A.to sing B.sing C.sang
答
B.sing
hear sb do sth句型