( )She likes singing and we often hear her______.A.to sing B.sings C.sang D.sing
问题描述：
( )She likes singing and we often hear her______.A.to sing B.sings C.sang D.sing
答
B - sings
答
D （ 固定用法 hear sb do sth ; hear sb doing sth)
答
答案：D
hear sb do sth 听见某人做某事.