_______ many times , he still couldn’t understand it．
| A．Told | B．Having been told |
| C．He was told | D．Though he had been told |
We’ve just heard a warning on the radio _______ a typhoon may be on its way．
| A．what | B．when | C．which | D．that |
Traditional Chinese medicine is thousands of years old and has developed _______ time．
| A．over | B．in | C．on | D．of |
_______ with the Japanese government, some Chinese people decided not to buy products from Japan any more．
| A．Not satisfying | B．Not having satisfied |
| C．Not satisfied | D．Not to satisfy |
After I went abroad for further study, _______ of my parents lived with me．
| A．none | B．neither | C．either | D．any |
When Helen saw her tutor nod _______ to her, she calmed down and went on with her performance．
| A．encouragingly | B．amazingly | C．interestingly | D．willingly |