2015-2016人教版选修8unit1 A land of diversity语法课件“名词性从句”(33张)
2015-2016人教版选修8unit1 A land of diversity语法课件“名词性从句”(33张)第2页

 Exactly when the first people arrived in what we now know as California, no one really knows. 2. However, it is likely that Native Americans were living in California at least fifteen thousand years ago. 3. Scientists believe that these settlers crossed the Bering Strait … times.

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