Do you hear someone knock at the door? 怎么理解?怎么全是现在时?错了吗?

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Do you hear someone knock at the door? 怎么理解?怎么全是现在时?错了吗?
Do you hear someone knock at the door? 怎么理解?怎么全是现在时?错了吗?

Do you hear someone knock at the door? 怎么理解?怎么全是现在时?错了吗?
是过去听到可以用过去时, 或现在听用现在进行时,应该是错了.

句子应该是 Do you hear someone knocking at the door. 原句肯定是错了