“smile, mila! smile! ” when my little sister was almost three years old, she would this every day when i in the door from school. fill in the blanks in order. repeated . . walk repeat . . walked repeated . . walked repeat . . walk

The correct sentence is "Smile, Mila! Smile!” When my little sister was almost three years old, she would repeat this every day when I walked in the door from school."

Explanation:

The correct use of tense for these verbs in the context is "repeat" in infinite form and "walk" in the past. The general sentence is in past since it is a memory, the first blank is in a sentence structure with would, whenever we use a modal the verb for is infinitive, then the rest of the sentence is in past form, the subordinated sentence continues with the past structure.