It took a long time for the connection between body temperature and illness __________. A．to..
Ittookalongtimefortheconnectionbetweenbodytemperatureandillness__________.A．tomakeB．t...
It took a long time for the connection between body temperature and illness __________. A．to make B．to be made C．making D．being made
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| B。 |
| 此题考查的是It takes a long time for…to do sth结构。to be made之所以要用不定式的被动式是因为the connection与make之间为被动关系，比较：make a connection(建立联系)。 |
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