11. As we can no longer wait for the delivery of our order, we have to _______it.
A) postpone B) refuse C) delay D) cancel
12. these books, which you can get at any bookshop, will give you _______ you need.
A) all the information B) all the informations
C) all of information D) all of the informations
13. Not until the game had begun_______ at the sports ground.
A) had he arrived B) would he have arrived
C) did he arrive D) should he have arrived
14. Young people are not _______ to stand and look at works of art; they want art they can participate in.
A) conservative B) content C) confident D) generous
15. Most broadcasters maintain that TV has been unfairly criticized and argue that the power of the medium is _______.
A) granted B) implied C) exaggerated D) remedied
16. These surveys indicate that many crimes go _______ by the police, mainly because not all victims report them.
A) unrecorded B) to be unrecorded C) unrecording D) to have been unrecorded
17. I have no objection _______ your story again.
A) to hear B) to hearing C) to having heard D) to have heard
18. The clothes a person wears may express his _______ or social position.
A) curiosity B) status C) determination D) significance
19. By law, when one makes a large purchase, he should have _______ opportunity to change his mind.
A) accurate B) urgent C) excessive D) advertising
20. You will see this product _______ wherever you go.
A) to be advertised B) advertised C) advertise D) advertising
说明下理由，谢谢，请认真回答