An ambulance was pulling over. Somebody would be hurt or sick somewhere nearby.A

游客2023-12-30 18

问题 An ambulance was pulling over. Somebody would be hurt or sick somewhere nearby.

选项 A、must be
B、should have been
C、should be
D、must have been

答案 D

解析本题考查情态动词的用法。根据句意，这里表示肯定的猜测，因此要用must，且要用完成时表示过去(因为was pulling over发生在“生病”或“受伤”之后)，即must have been，故D正确。

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