_________ from other continents for millions of years, Australia has many plants
题型：不详难度：来源：
_________ from other continents for millions of years, Australia has many plants and animals not found in any other country in the world.| A．Being separated | B．Having separated | | C．Having been separated | D．To be separated |
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答案
| C |
解析
| 考查非谓语动词做状语。题中分词的动作发生在谓语动词之前，且与主语之间是被动关系，所以用现在分词完成式的被动式。所以选C 。 |
举一反三
--- What made Bill so angry?
--- _____. His girl friend promised to come at 8:30, but she hasn’t come yet.| A．Having kept waiting | B．Being kept waiting | | C．To be kept waiting | D．Being kept waited |
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The teacher came in, ________ by some students.| A．followed | B．following | C．was followed | D．to follow |
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The building required ________by the end of the year.| A．to pull down | B．pulling down | C．being pulled down | D．pulled down |
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The ______news made him feel _______.| A．upset; upset | B．upsetting; upset | | C．upset; upsetting | D．upsetting; upsetting |
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I am sorry to have you ________ so long.| A．waited | B．to wait | C．waiting | D．to be waiting |
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