do you hear her____ in the next room? A sings B singing C is singing D to sing

问题描述:

do you hear her____ in the next room? A sings B singing C is singing D to sing

B
hear sb doing sth 听见某人正在做某事it never snows here in february,_____? A doesn't it B don't they C do they D does it 好了采纳D never 表否定 前否 后肯