The house I grew up ________ has been taken down and replaced by an office building.
| A．in it | B．in | C．in that | D．in which |
My calculations were based on the ________ that house prices would remain steady.
| A．theory | B．assumption | C．procedure | D．regulation |
You are saying that everyone should be equal, and this is ___ I disagree.
| A．why | B．where | C．what | D．How |
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 |