She looked at the beautiful scarf and wondered .
A. how much does it cost B. how much it costs
C. how much did it cost D. how much it cost
--- are the Winter Olympic Games held？
---Every four years.
A. How far B. How often
C. How soon D. How long
---You should your teacher’s advice if you want to improve your science.
---That sounds great.
A. get B. catch
C. follow D. hear
--- Is he still raising money for charity?
---Yes. He never _______hope of helping poor children.
A. gives up B. gives out
C. gives back D. gives away
---Why are you still here? It's so late.
---Because I my work. Don't worry. It's almost done.
A. wasn't finishing B. wouldn't finish
C. haven't finished D. won't finish
---Do you think yesterday’s math problem was difficult?
---Yes. I could work it out.
A．hardly B．easily C．finally D．nearly
