请判断句中的划线部分属于哪一类基本句型？ She was singing her child a lullaby.
请判断句中的划线部分属于哪一类基本句型？ She was singing her child a lullaby.
20. Mom was singing a lullaby to my baby sister while rocking the cradle with a gentle backwards and forwards ______. A: A)process B: B)motion C: C)action D: D)advancement
20. Mom was singing a lullaby to my baby sister while rocking the cradle with a gentle backwards and forwards ______. A: A)process B: B)motion C: C)action D: D)advancement
1