---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
--- A second-hand computer is much than a new one.
---That’s true, but I’d like a new one.
A. better B. cheaper C. bigger D. smaller
Mr. Black is strongly _____ keeping animals in the zoo, because he thinks animals should also have the right to enjoy freedom.
A. up B. down C. for D. against
---When shall we start, today or tomorrow?
--- is OK. You decide.
A．Neither B．Both
C．Either D．None
Here’s useful book . book is written by Bill Gates.
A. a; The B. a; A
C. an; The D. an; A
