With the development of science and technology, people’s life _______ in the pas
题型：不详难度：来源：
With the development of science and technology, people’s life _______ in the past few years.| A．improved | B．has improved | | C．is improving | D．had improved |
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答案
| 选B。 |
解析
| 根据句子后面的时间状语in the past few years可以知道句子应该使用现在完成时。 |
举一反三
The TV set he _________ works well now.| A．has repairing | B．having repaired | | C．has been repaired | D．has had repaired |
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---Good evening. I _______ to see Miss Mary.
---Oh, good evening. I’m sorry, but she is not in.| A．came | B．come | C．have come | D．had come |
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My camera can be _____ to take pictures in cloudy or sunny conditions.| A．treated | B．adopted | C．adjusted | D．reminded |
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When the American constitution ______into effect in 1789,it didn’t contain any words guaranteeing the basic rights of ordinary citizens.| A．went | B．had gone | C．has gone | D．was going |
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—How long have you been in this office?
—Just a few minutes. My cousins_______here together with me.| A．have walked | B．had walked | | C．walked | D．have been walking |
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