The teacher showed us ______________ the problem.
A. how to deal B. what to do
C. how to deal with D. what to deal with
-- It’s dangerous to walk across the street carelessly.
--You’re right. We can’t be ________ careful while crossing the street.
A. so B. very C. too D. more
If we don’t study hard, we will in our class.
A. take the lead B. fall behind
C. be the first D. be successful
I don’t know if she ____________ if it _____________ tomorrow.
A. comes, snows B. will come, will snow
C. comes, will snow D. will come, snows
How much difficulty did you have ________________ this problem?
A. to solve B. solved C. solving D. solve
Nanjing is _______ capital of Jiangsu and it is _______ city with many places of interest.
A. a; a B. a; the C. the; a D. the; the
