【简答题】Since sending her child to the kindergarten, she has been delighted to see a(n) ____ change in the boy's character; he seems less self-centered now.
【简答题】Since sending her child to the kindergarten, she has been delighted to see a(n) ___ change in the boy ’ s character; he seems less self- centered now. ( advent, isolation, boom, formal, gradual, nasty...