Harrison Ford is thought to be one of the few movie stars ____ as a carpenter be
题型：不详难度：来源：
Harrison Ford is thought to be one of the few movie stars ____ as a carpenter before.| A．to work | B．to be working | | C．to have worked | D．to have been working |
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答案
| C |
解析
试题分析：考查不定式用法。本题中不定式做定语修饰movie stars；因为后面有时间状语before说明这是一个已经完成的动作，故使用不定式的完成时表示一个已经完成的动作。故C正确。
点评：不定式的完成式表示在谓语动词之前已经完成。 |
举一反三
--- Why were you so late for work today？
--- ________ to the office was very slow this morning because of the traffic. | A． Driving | B．I drove | C．To drive | D．That I drove |
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Mother told me ______ near the river.| A．don’t play | B．not to play | C．not play | D．not playing |
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Hearing a scream, I rushed downstairs, only the hostess lying unconscious on the floor.| A．seeing | B．having seen | C．seen | D．to see |
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Since I don’t like surfing the Internet, shall I go to the library instead the information we need?| A．to get | B．of getting | C．of to get | D．getting |
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When the teacher came in, the students pretended _______ the text.| A．to read | B．to be reading | | C．to have read | D．having read |
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