Choose the correct form of the word in bracket to complete the following sentence.
Scientists _______ the way how ancient people built Stonehenge for not long ago.
have discovereddiscoveredhas discoveredhad discoveredMôn học
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Chủ đề
Choose the correct form of the word in bracket to complete the following sentence.
Scientists _______ the way how ancient people built Stonehenge for not long ago.
have discovereddiscoveredhas discoveredhad discovered