Our classroom is ___clean .But today it's not as clean as____(usual)

问题描述:

Our classroom is ___clean .But today it's not as clean as____(usual)

very usual

usually usual

usually usual 解析:前者是平常的意思, 后者是平时

Our classroom is usually__clean .But today it's not as clean as_usual___(usual)

usually 作副词,修饰is clean
as usual 像往常一样,固定搭配