—If people make small changes, like taking buses instead of driving cars, it will make a big difference.
—_____. Then the traffic will be much better.
| A.That’s all right | B.You are dead right |
| C.I don’t quite agree | D.Oh, come off it |
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 |
—Was it under the tree _______ you were away talking to a friend?
—Sure. But when I got back there, the bike was gone.
| A.that | B.where | C.which | D.while |