根据句意和汉语注释,写出单词的正确形式,每空限填一词。
They have decided to take lots of _______(语法) notes in every class.
The noise from the road often __________(影响) our class.
He gave me some _________(有价值的) advice on buying a house.
________(化学) is a very useful subject and it has a lot to do with our daily life.
They ________(简直) couldn’t believe their eyes.