2019学年度人教版选修八Unit 1 A land od diversityPeriod3Learning about Language课件(38张)
2019学年度人教版选修八Unit 1  A land od diversityPeriod3Learning about Language课件(38张)第3页

【课前热身】 根据句意填入适当的引导词并体会其用法。 1. Exactly when the first people arrived in _____ we now know as California, no one really knows. 2. Scientists believe ____ these settlers crossed the Bering Strait in the Arctic to America by means of a land bridge which existed in prehistoric times.

what

that