Have you heard about that fire in the market?-Yes, fortunately no one ______

依次填入下列各句横线处的关联词语，最恰当的一组是(　　)①小时不曾养成活泼游戏的习惯，________在什么地方，我总是文绉绉的。________家乡老辈都说我“像个先生样子”。②十一二岁时，我稍活泼一点，________和一群同学组织了一个戏剧班，做了一些木刀竹枪，借得了几副假胡须，就在村口田里做戏。③三十年来，我不曾拿过乐器，也全不懂音乐；________我有没有一点学音乐的天资，我至今还不知道。

He was________to leave the house, as a punishment.[ ]

a ___________singer until the age of 40,when he turned professional.

Measures have been taken to prevent theaccidents, but much _____ for more improvement.