完形填空：阅读下面短文，从短文后各题的A、B、C、D四个选项中，选出适合填入对应空白处的最佳选项，并在答题卡上将该选项涂黑。
Dad had a green comb. He bought it when he married Mum. Every night, he would hand me his 1 and say, “Good girl, help Daddy clean it, OK?”
I was 2 to do it. At age five, this dull task brought me such 3 . I would excitedly turn the tap 4 and brush the comb carefully. Satisfied that I’d done a good job, I would happily return the comb to Dad. He would 5 affectionately（挚爱地，亲切地）at me and place the comb on his wallet.
Two years later, Dad started his own 6 , which wasn’t doing so well. That was when things started to 7 . Dad didn’t come home as early and as much as he used to. Mum and I became 8 with him for placing our fa mily in trouble. With 9 , an uncomfortable silence grew between us.
