When you talk about a person's _____, you are referring to the country, race, or social class of their parents or ancestors．
| A．origin | B．nationality | C．generation | D．relative |
Hearing the dog barking fiercely, away__________.
| A．fleeing the burglar | B．was fleeing the burglar |
| C．the burglar was fleeing | D．fled the burglar |
Einstein liked Bose’s paper so much that he ________ his own work and translated it into German.
| A．gave off | B．turned down | C．took over | D．set aside |
He seems __________ what he is looking for.
| A．to have forgotten | B．to forget | C．forgetting | D．being forgotten |
I’m not surprised that he became a writer. Even as a child he had a(n) __________imagination.
| A．clear | B．elegant | C．funny | D．vivid |
Next winter, ____I’ll stay in Jilin City, will surely be another exciting holiday.
| A．which | B．when | C．that | D．where |