读句子，选择合适的词语填在横线上。
【小题1】Yang Ling is a __________ (good; well) girl. She can play the piano __________ (good; well).
【小题2】Be __________ (quiet; quietly) in the library. We should read __________ (quiet; quietly) in it.
【小题3】“What a poor girl!” He said __________ (sad; sadly)
【小题4】The students are reading __________ (careful; carefully) now.