The new bridge ________ by the end of last month.A．has been designedB．had been d
题型：不详难度：来源：
The new bridge ________ by the end of last month.| A．has been designed | B．had been designed | | C．was designed | D．would be designed |
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答案
| B |
解析
试题分析：考查时态和语态。本题的根据是抓住by的用法，by与完成时连用，本题后面的时间是过去的时间，故使用过去完成时。句意：到上个月结束时为止，这座新的桥梁已经被设计出来了。根据句意说明B正确。
点评：连词by到…时为止；该词经常与完成时连用，如果后面是现在的时间，句中就使用现在完成时；如果后面是过去的时间，就使用过去完成时；如果后面是将来的时间，就使用将来完成时。 |
举一反三
---When are you going to travel to Beijing?
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The workers who were late this morning _______ by the boss when I passed by the boss’ office.| A．scolding | B．scolded | C．being scolded | D．were being scolded |
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