How do you know that she likes singing?I often hear

How do you know that she likes singing?I often hear How do you konw that she likes singing?I often hear her＿＿＿（s —How do you know that she likes singing? ( )She likes singing and we often hear her______.A.to sing B :How do I let you know that you are my How do you know that I suffer from insomnia是什么意思? How often do you do that? How do I know you? I'm sorry too hear that .How do Lucy feel?She looks sad. Jane likes singing.We often hear her_____ after class. Tina likes singing.We often hear her ______after class. how often do you hear from your family?啥意思