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 |