It was ________ that the professor’s lecture failed to impress the students as some of them had left before it was over.
举一反三
- There were some chairs left over _____ everyone had sat down.
- They told me that he had left for the country some days___________. A: ago B: after C: long D: before
- It _____ a time when they had some control over their fate.[音频]（来源：NPR News） A: makes them feel guilty for B: makes them think of
- Though Jimmy _____ well prepared before the interview, he failed to answer some questions. A: will be B: would be C: has been D: had been
- What did the officials say A: Some of them said that the missile couldn't reach the distance to hit airliner. B: Some of them confirmed that the missile was really fired from Ukraine' s Crimea region before the plane exploded. C: Some of them argued about whether the plane had strayed from its flight. D: All of the above.