---Why ______buy this coat, Maria?---Good idea. I like its color a lot.A. not B. not to C. you don’t
-- It’s dangerous to walk across the street carelessly. --You’re right. We can’t be ________ careful while crossing the street.
If we don’t study hard, we will in our class.
I don’t know if she ____________ if it _____________ tomorrow.
How much difficulty did you have ________________ this problem?
Nanjing is _______ capital of Jiangsu and it is _______ city with many places of interest.