Roger and his wife was so lucky ______; he almost did not get out of the room when the roof col- lapsed.

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问题 Roger and his wife was so lucky ______; he almost did not get out of the room when the roof col- lapsed.

选项 A、to escape
B、to have escaped
C、to be escaped
D、to be escaping

答案B

解析 时态题。to have escaped是不定式的完成式,表示过去的某一动作已完成。根据题意,“他们逃出来了”说明该动作已经完成,故B正确。其他选项没有这种意思。
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