--How did she get infected? --She ________the virus without any protection.A．exp
题型：不详难度：来源：
--How did she get infected?
--She ________the virus without any protection.| A．exposed to | B．had been exposed to | C．had exposed to | D．was exposed to |
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答案
| D |
解析
试题分析：考查时态。句意：--她是怎样被感染的？--她暴露于病毒中而未采取任何保护措施。be exposed to sth暴露于......，是固定搭配。排除A、C；这里没有明显的过去的动作，不能用过去完成时；叙述过去发生的事情，用一般过去时。故选D。 |
举一反三
It is said that a reliable treatment for the disease will be applied at least two or three months away and still it ______on animals.| A．is testing | B．has tested | C．is being tested | D．has been tested |
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—You seem to be familiar with London.
—I ______ there for three years. It’s great to be back.| A．lived | B．had lived | C．have lived | D．live |
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We ______very early so we packed the night before.| A．leave | B．had left | C．were leaving | D．have left |
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At this time next year______ our holiday in Beijing..| A．we’re having | B．we’ll be having | | C．we’ll have | D．we’re to have |
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They______ with each other for two years before they got married.| A．had fallen in love | B．got in love | C．had been in love | D．fell in love |
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