Listening to loud music at rock 
concerts ______ hearing loss in some teenagers.
| A．have caused | B．has been caused | C．is caused | D．has caused |
The student________from the training so much that he was________the first prize in the event.
| A．benefited；benefited | B．awarded；awarded |
| C．awarded；benefited | D．benefited；awarded |
As we all know，no one is perfect，and everyone has his own________.
| A．mistake | B．weakness | C．limit | D．belief |
—Does coffee really work when you have to work late into night?
—Yes. As far as I’m concerned，I feel very________after a coffee.
| A．energetic | B．normal |
| C．adequate | D．sensitive |
We are looking forward to________a chance to watch the opening ceremony of the London 2012 Olympic Games.
| A．give | B．be given |
| C．being given | D．giving |
Sir，you are not allowed to enter the building if you don’t get our manager’s________.
| A．permission | B．connection |
| C．instruction | D．introduction |