Last month I was lucky enough to have a chance to make a trip into _____ space with my friend Li Yan ping, _____ astronomer.
| A．the; an | B．the; the |
| C．/ ; the | D．/ ; an |
Her parents objected to _________ that farmer, though he was very rich.
| A．she married | B．her to marry | C．marry | D．her marrying |
Scientists have achieved a major ___ in the search for a cure for cancer, ____ is good news for those who suffer from cancer.
| A．breakthrough; what | B．breakdown; which |
| C．breakup; that | D．breakthrough; which |
—Mary was being badly treated when John happened to pass by and helped her out.
—I think it was not a pure ________but had been well planned.
| A．coincidence | B．consequence | C．incident | D．chance |
Einstein’s Theory of Relativity was so __________that few people could understand it at that time.
| A．controversial | B．religious | C．abstract | D．contradictory |
Since entry into high school the students have been ____ staying up late in the evening and getting up early in the morning.
| A．admitted to | B．allergic to | C．accustomed to | D．attached to |