Susan decided not to work on the program at home because she didn’t want her par
题型：不详难度：来源：
Susan decided not to work on the program at home because she didn’t want her parents to know what she_____.| A．has done | | B．had done | | C．was doing | | D．is doing |
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答案
| C |
解析
答案C。从时态呼应上考虑，A和D均错;Susan不想让其父母知道她眼下正在干什么，便背着父母偷偷干。
过去某个时刻正在进行的动作用过去进行时;在口语中，说话者所说内容是非一定目的、随意的，亦常用过去进行时。 |
举一反三
At this time tomorrow ____over the Atlantic.| A．we’re going to fly | | B．we’ll be flying | | C．we’ll fly | | D．we’re to fly |
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I won’t tell the student the answer to the math problem until he ____on it for more than an hour.| A．has been working | | B．will have worked | | C．will have been working | | D．had worked |
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Father _____for London on business upon my arrival, so I didn’t see him.| A．has left | | B．left | | C．was leaving | | D．had left |
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The Browns lived____in the old society.| A．miserable life | | B．miserable live | | C．a miserable life | | D．miserable lives |
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| Being a teacher，she dreamed____turning a deaf-blind creature into a useful human being. |
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