(   ) 4. It’s silly _______ you _______ your car at such a low price.

A. for, to sell     B. for, selling      C. of, to sell             

(   ) 5. The National Day is coming. We’ll have 7 days _______.

A. on             B. down     C. off

(   ) 6. —I usually have milk and bread for breakfast.

—_______. I really want to have something different.

A. So have I               B. So do I           C. So I do

(   ) 7. —What are you going to do this afternoon, Andy?

—My hair is too long. I want to get my hair _______.

A. cut                    B. to cut            C. to cutting