学进去

It’s eight o’clock. Miss Chen is not at home. Mary ______ after her baby for her. Her baby is only four months ______. The baby can’t eat food. It can only drink some milk.

Miss Chen gives Mary two ______ of milk. At first of all everything is OK. But the baby begins to cry at nine o’clock. Mary puts the baby on the bed and puts some things on the bed, ______. She plays ______ the baby. The baby looks at her and smiles. At ten o’clock, Miss Chen comes home.