根据情景内容，在空白处填入合适的单词。
A:(1)________ do you think of Aux air conditioner?
B: I think it is wonderful. Its intelligence provides us
(2)_________perfect experience.
A: Yes. More and more people are using it. What(3)_________the price?
B:(4)_________my opinion, it is acceptable and cost-effective.
A:(5)_________about its service?
B: You can enjoy high quality service once you have one.