根据句意，在答题卡对应题号的横线上，写出括号内所给单词的适当形式。
【小题1】Susan is coughing terribly. She has never had a _________ (bad) health condition.
【小题2】What? Jack had his purse _________ (steal) on the bus? How careless he was!.
【小题3】Last year, Tom had a good time travelling across _________ (center) Europe.
【小题4】The wonderful piece of music is a couple of African _________(music) work.