恩格斯说:“随着自然科学领域中每一个划时代的发现,唯物主义也必然要改变自己的形式。” 这主要体现了( )
My brother usually the subway to work , but today he goes to work a bus.
We students go to school Monday to Friday.
My home is aboutwalk from here.
About two____students in our school come to school in their parent's car.
I usually come to school bike, but sometimes I come to school __foot.