-- Could you be so kind as to close the window?
A. With pleasure B. Go ahead
C. Yes, please D. That's OK
Just as Professor Scotti often it, success is ninety-nine percent mental attitude.
A. gets B. makes
C. puts D. means
-- Do you think it's a good idea to make friends with your students?
-- , I do. I think it's a great idea.
A. Really B. Obviously
C. Actually D. Generally
Daniel's family their holiday in Huangshan this time next week.
A. are enjoying B. are to enjoy
C. will enjoy D. will be enjoying
– I wonder how much you charge for your services.
-- The first two are free the third costs $30.
A. while B. until
C. when D. before
We can never expect bluer sky unless we create less polluted world.
A. a; a B. a; the
C. the; a D. the; the