The year of 2013 saw the_______ air pollution in China for 52 years.A. bad B. worse C. worst
-What does he look like? -________.
-Why don’t we go to the World Park? -_______.
The number of the students in our class is _______than _______in yours.
He is better than me_______ swimming.
Who did the teacher have _______ how _______ the computer?