单项选择 适中0.65 引用1 组卷327
Professor Li ________ for his informative lecture, was warmly received by the students.
| A．known | B．knowing |
| C．having known | D．to be known |
2018·北京·一模
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Most notable of these is China's discovery of an ice-like substance, ________ as “fire ice”, under the South China Sea.
| A．knowing | B．to be known | C．having known | D．known |
Tom looked at Jenny, with tears _______ his eyes, and shouted out the words _______ in his heart for years.
| A．filling; having been hidden | B．filled; hidden |
| C．filling; hidden | D．filled; hiding |
To return to the problem of water pollution, I’d like you to look at a study ________ in 2012.
| A．conducted | B．conducting | C．being conducted | D．was conducted |
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