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it'ssurprisingthattheGreatWall()byhandA.wasbuildingB.wasbuiltC.isbuildingD.isbuilt

题目详情
it's surprising that the Great Wall ()by hand
A.was building B.was built C.is building D.is built
▼优质解答
答案和解析
it's surprising that the Great Wall ()by hand
B.was built
被动语态,长城被用手制造