Everyone ( ) run away from the burning building A can B is able C was able to D were able to

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Everyone ( ) run away from the burning building A can B is able C was able to D were able to

c
can 和 be able to 都是“能”的意思.
本题还需考虑到:一,everyone 作主语,谓语动词用单数.二,本句时态是过去时,can须变成could

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选A