The fire spread through the hotel very quickly but everyone______get out.

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问题 The fire spread through the hotel very quickly but everyone______get out.

选项 A、had to
B、would
C、could
D、was able to

答案D

解析 情态动词。表示过去具体某次经过努力“能够”做成某事只能用was/were able to而不用could。
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