Making great efforts to struggle hard in your study，if ______，will possibly lead to your great success in the college entrance exam next year.
| A．continued | B．to continue | C．continues | D．continuing |
What a nice bag! But she ______only thirty dollars for it.
| A．cost | B．took | C．spent | D．paid |
----Could you tell me something more about Hong Kong?
-----I am ______going there for a holiday soon.
| A．looking up | B．thinking about | C．trying out | D．finding out |
The children planted more trees and flowers after they______Greener China.
| A．joined | B．took part in | C．became | D．were |
I bought a new dictionary and it ______me $.
| A．paid | B．spent | C．took | D．cost |
You ______go and ask Lily . She ______know the answer.
| A．must, can | B．must, may | C．need, can | D．can, may |