Liu Xiang trained so hard ______ he hurt his foot.
| A．when | B．while | C．that | D．What |
Do you enjoy __________ on the Internet?
| A．surfing | B．surf | C．to surf | D．surfed |
He learns English by ____________ English songs.
| A．listen | B．listen to | C．listening | D．listening to |
It _________ us about two hours _______ that picture last night.
| A．took; to finish | B．spends; to finish | C．takes; finish | D．spent; spent |
There are so many kinds of radios in the shop. I can’t decide _________.
| A．to buy what | B．to buy which | C．which to buy | D．when to buy |
Father is ill. He wants his doctor to give him _____ about his heart trouble.
| A．an advice | B．some advice | C．some advices | D．advices |