根据句意和汉语注释,写出单词的正确形式。
(1)Our English teacher has offered us some useful ____ (建议). I think it will help us a lot in our English study.
(2)Here are two ____ (音乐会) tickets for you.
(3)Daniel ____ (不愿) to accept my books ,which made me very sad.
(4)____ (比较) this new TV set with the old one, you will see which is better.