— If there are _____people driving, there will be ______air pollution.
— Yes, the air will be fresher.
A. less; less B. less; fewer C. fewer; fewer D. fewer; less
_______ Mary ______ John has been to China before, but they know a lot about it
A. Either, or B. Both, and C. Neither, nor D. Not only, but also
Our music teacher has won the first prize in the competition. We’re very _______ him.
A. angry with B. proud of C. famous for D. good at
-- Hello! Would you like to go to the party with me tonight?
--I’m sorry I can’t . Mother won’t ______me to go out in the evening.
A. let B. allow C. offer D. ask
They often leave the boy alone at home. They think that he’s old enough to look after _____.
A. them B. himself C. themselves D. him
— _________ do you have an Art Festival in your school?
— Once a year.
A. How long B. How often C. How far D. How soon
