All the students are talking and laughing in the classroom and it’s________.
The car runs ___ a very high speed and directly hits the tree beside the street.
The old man ___ a blue sweater is our new headmaster.
___ the beginning of the meeting, the president made a speech ___ how to reduce pollution.
This beautiful skirt ____________ of cotton.A. is made from B is made of C. makes from D. makes of
This problem is so tough that they can’t find the ____.