The professor requested that all the students _______ the reports at once.
| A.would hand in | B.hand in | C.handed in | D.handing in | 
The moment I completed the 800-meter race in the school sports meet, my legs _______.
| A.gave out | B.gave away | C.gave in | D.gave up | 
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 |