— Tony, are you listening to me?—Sorry, Sir. I ______ to figure out what you sai
题型：不详难度：来源：
— Tony, are you listening to me?
—Sorry, Sir. I ______ to figure out what you said just now.| A．was trying | B．have tried | C．tried | D．had tried |
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答案
| A |
解析
考查时态，根据just now可知，该动作发生在过去，排除BD。根据句意可知，选择A，句意为，----托尼，你在听我说话吗？---对不起，先生，我刚才正在努力弄明白你刚才说的。
表示动作正在发生 |
举一反三
—Come on，Kitty.
—Oh, good heavens! Both my legs are nearly to give out. I_______ for hours like a dog.| A．have been walking | B．had walked | C．was walking | D．walked |
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In the school hall, where a meeting , some students are busy preparing for it.| A．is held | B．has been held | C．is being held | D．is to be held |
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Mr. Lee, who as a guide for over 10 years, is now a manager in a big travel agency.| A．worked | B．has worked | C．had worked | D．works |
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The scientist __________ the experiment for half a year, but he _______ yet.| A．made; didn’t succeed | B．made; hasn’t succeeded | | C．was making; didn’t succeed | D．has been making; hasn’t succeeded |
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It’s high time that we _____ measures to stop selling polluted vegetables. | A．must take | B．take | C．took | D．will take |
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