Bats are surprisingly long-lived creatures, some ____________ a life span of aro
题型：不详难度：来源：
Bats are surprisingly long-lived creatures, some ____________ a life span of around 20 years.| A．having | B．had | C．have | D．to have |
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答案
| A |
解析
试题分析:考查独立主格。逗号前后主语不同，而句中又没有连词，所以判断是独立主格结构，即：逻辑主语+现在分词/ 过去分词/ 不定式，故排除C选项；其中some和have是主动关系，应该用现在分词，所以A选项正确。句意：蝙蝠是一种长寿得令人吃惊的动物，其中一些的寿命是200年左右。 |
举一反三
UN Secretary-General Ban Ki-moon left for Pakistan this morning， his assistant _________ him there this Friday.| A．joins | B．joined | C．joining | D．to join |
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______, the conference began.| A．The candidates having taken their seats | | B．The candidates had taken their seats | | C．Taken their seats | | D．Taking their seats |
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.With so many things ______ my mind, it took a long time before I I fell asleep.
A.filling B. filled C. to fill D being filled |
With everything needed_____, Mrs. Jackson went to the supermarket after work in a hurry.| A．buying | B．to buy | C．bought | D．Buy |
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Zhang Ziyi and Wang Feng, both of them ______ in the media spotlight, get romantically involved.| A．pay attention | B． paid attention to | C． paying attention | D． are paid attention to |
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