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In the 18th and 19th century, scientists the world many important discoveries.A.across, inventedB.th

编辑:chaxungu时间:2026-04-24 13:00:09分类:高中英语题库

In the 18th and 19th century, scientists _______ the world _______ many important discoveries.
A.across, inventedB.throughout, madeC.all over, gaveD.over, had在线课程B