根据下列各句句意和空白之后的汉语提示词，在答题卡指定区域的横线上写出对应单词的正确形式，每空只写一词。
You should be ____________(道歉) to your customers for wasting their money.
Over the years several similar __________ (理论) have been put forward.
This change of the state is a ___________(物理的) change.
Have you____________ (装饰) your Christmas tree yet?
The children burst into ________ (笑声) when they saw the stranger man.
He used to be a famous ____________ (音乐家), but he plays no longer.
The ___________ (枕头)cover can match up with the sheets.
She can speak English ___________(流利地) as she is always in practice.
I could hardly____________ (认出)you with a beard.
This cartoon not only fits children’s taste, but also_________ (教育) them.